The Malayan peacock-pheasant (''Polyplectron malacense'') also known as crested peacock-pheasant or Malaysian peacock-pheasant, is a medium-sized
pheasant
Pheasants ( ) are birds of several genera within the family Phasianidae in the order Galliformes. Although they can be found all over the world in introduced (and captive) populations, the pheasant genera native range is restricted to Eurasia ...
of the
galliform
Galliformes is an order of heavy-bodied ground-feeding birds that includes turkeys, chickens, quail, and other landfowl. Gallinaceous birds, as they are called, are important in their ecosystems as seed dispersers and predators, and are often r ...
family
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
Phasianidae
The Phasianidae are a family of heavy, ground-living birds, which includes pheasants, partridges, junglefowl, chickens, turkeys, Old World quail, and peafowl. The family includes many of the most popular gamebirds. The family is a large one and i ...
. The closely related
Bornean peacock-pheasant
The Bornean peacock-pheasant (''Polyplectron schleiermacheri'') is a medium-sized pheasant. It is probably the rarest and certainly the least known of all peacock-pheasants. This elusive bird is endemism in birds, endemic to lowland forests of Bo ...
(''P. schleiermacheri'') was formerly included here as a subspecies, but as understood today, ''P. malacense'' is
monotypic
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...
.McGowan (1994), BLI (2008)
Description
It is one of the shortest-tailed peacock-pheasants. Adult males are about 50 cm long, about half of which is made up by the tail. Their
tarsus
Tarsus may refer to:
Biology
*Tarsus (skeleton), a cluster of articulating bones in each foot
*Tarsus (eyelids), elongated plate of dense connective tissue in each eyelid
*The distal segment of an arthropod leg see Arthropod tarsus
*The lower le ...
measures approximately 6.5 cm, and their wings are 20–21 cm long; they weigh from over 600 to nearly 700 g. Their
plumage
Plumage ( "feather") is a layer of feathers that covers a bird and the pattern, colour, and arrangement of those feathers. The pattern and colours of plumage differ between species and subspecies and may vary with age classes. Within species, ...
is generally pale brown with small black spots and bands all over, creating the "salt-and-pepper" effect found in most peacock-pheasants. It has
iridescent
Iridescence (also known as goniochromism) is the phenomenon of certain surfaces that appear to gradually change color as the angle of view or the angle of illumination changes. Examples of iridescence include soap bubbles, feathers, butterfl ...
buff
Buff or BUFF may refer to:
People
* Buff (surname), a list of people
* Buff (nickname), a list of people
* Johnny Buff, ring name of American world champion boxer John Lisky (1888–1955)
* Buff Bagwell, a ring name of American professional wr ...
border on its upperwings, back, and on the 22
rectrices
Flight feathers (''Pennae volatus'') are the long, stiff, asymmetrically shaped, but symmetrically paired pennaceous feathers on the wings or tail of a bird; those on the wings are called remiges (), singular remex (), while those on the tai ...
, a white throat running down to the center of the breast, and a loose, pointed and upturned dark blue-green crest on its forehead. A bare facial skin surrounds the eyes with their bluish-white
iris
Iris most often refers to:
*Iris (anatomy), part of the eye
*Iris (mythology), a Greek goddess
* ''Iris'' (plant), a genus of flowering plants
* Iris (color), an ambiguous color term
Iris or IRIS may also refer to:
Arts and media
Fictional ent ...
; usually pink, it becomes bright orange-red during courtship. The bill and legs are blackish.
The female is slightly smaller than the male, with a noticeably shorter tail; measuring about 40 cm overall, its tail is slightly less than 20 cm long, while its tarsus measures c.6 cm and its wing length is 18 cm. Adult Females weigh about 450-550 g. Their plumage is duller than in males, with a vestigial crest and eyespots only on
remiges
Flight feathers (''Pennae volatus'') are the long, stiff, asymmetrically shaped, but symmetrically paired pennaceous feathers on the wings or tail of a bird; those on the wings are called remiges (), singular remex (), while those on the tai ...
and rectrices. On the
wing covert
A covert feather or tectrix on a bird is one of a set of feathers, called coverts (or ''tectrices''), which, as the name implies, cover other feathers. The coverts help to smooth airflow over the wings and tail. Ear coverts
The ear coverts are s ...
s and back, they have dark dots instead, which are pointed towards the feather tip.
Young birds resemble females but have even less-developed eyespots and usually lack them entirely except on the rectrices. The
down
Down most often refers to:
* Down, the relative direction opposed to up
* Down (gridiron football), in American/Canadian football, a period when one play takes place
* Down feather, a soft bird feather used in bedding and clothing
* Downland, a ty ...
y
hatchling
In oviparous biology, a hatchling is a newly hatched fish, amphibian, reptile, or bird. A group of mammals called monotremes lay eggs, and their young are hatchlings as well.
Fish
Fish hatchlings generally do not receive parental care, similar ...
s are pale
chestnut
The chestnuts are the deciduous trees and shrubs in the genus ''Castanea'', in the beech family Fagaceae. They are native to temperate regions of the Northern Hemisphere.
The name also refers to the edible nuts they produce.
The unrelate ...
-brown above and buff below.McGowan (1994)
Systematics
mtDNA
Mitochondrial DNA (mtDNA or mDNA) is the DNA located in mitochondrion, mitochondria, cellular organelles within eukaryotic cells that convert chemical energy from food into a form that cells can use, such as adenosine triphosphate (ATP). Mit ...
D-loop
In molecular biology, a displacement loop or D-loop is a DNA structure where the two strands of a double-stranded DNA molecule are separated for a stretch and held apart by a third strand of DNA. An R-loop is similar to a D-loop, but in this cas ...
as well as the
nuclear
Nuclear may refer to:
Physics
Relating to the nucleus of the atom:
*Nuclear engineering
*Nuclear physics
*Nuclear power
*Nuclear reactor
*Nuclear weapon
*Nuclear medicine
*Radiation therapy
*Nuclear warfare
Mathematics
*Nuclear space
* Nuclear ...
ovomucoid
Ovomucoid is a protein found in egg whites. It is a trypsin inhibitor with three protein domains of the Kazal domain family. The homologs from chickens (''Gallus gallus'') and especially turkeys (''Meleagris gallopavo'') are best characterized ...
intron
An intron is any nucleotide sequence within a gene that is not expressed or operative in the final RNA product. The word ''intron'' is derived from the term ''intragenic region'', i.e. a region inside a gene."The notion of the cistron .e., gene ...
G
sequence
In mathematics, a sequence is an enumerated collection of objects in which repetitions are allowed and order matters. Like a set, it contains members (also called ''elements'', or ''terms''). The number of elements (possibly infinite) is called ...
data places the Malayan peacock-pheasant within the
basal
Basal or basilar is a term meaning ''base'', ''bottom'', or ''minimum''.
Science
* Basal (anatomy), an anatomical term of location for features associated with the base of an organism or structure
* Basal (medicine), a minimal level that is nec ...
radiation
In physics, radiation is the emission or transmission of energy in the form of waves or particles through space or through a material medium. This includes:
* ''electromagnetic radiation'', such as radio waves, microwaves, infrared, vi ...
of its
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...
, together with the even more elusive
Bornean peacock-pheasant
The Bornean peacock-pheasant (''Polyplectron schleiermacheri'') is a medium-sized pheasant. It is probably the rarest and certainly the least known of all peacock-pheasants. This elusive bird is endemism in birds, endemic to lowland forests of Bo ...
(''P. schleiermacheri'') – and
Palawan peacock-pheasant
The Palawan peacock-pheasant (''Polyplectron napoleonis'') is a medium-sized (up to 50 cm long) bird in the family Phasianidae.
It is featured prominently in the culture of the indigenous people of Palawan. The bird is also depicted in t ...
(''P. napoleonis''). The common ancestor of the Malay peacock-pheasants probably diverged from its relatives during the
Pliocene
The Pliocene ( ; also Pleiocene) is the epoch in the geologic time scale that extends from 5.333 million to 2.58uncalibrated and outdated
molecular clock
The molecular clock is a figurative term for a technique that uses the mutation rate of biomolecules to deduce the time in prehistory when two or more life forms diverged. The biomolecular data used for such calculations are usually nucleo ...
that is not well-suited for large-bodied birds. or maybe
Late Miocene
The Late Miocene (also known as Upper Miocene) is a sub-epoch of the Miocene Epoch made up of two stages. The Tortonian and Messinian stages comprise the Late Miocene sub-epoch, which lasted from 11.63 Ma (million years ago) to 5.333 Ma.
The ...
, about 5
million years ago
The abbreviation Myr, "million years", is a unit of a quantity of (i.e. ) years, or 31.556926 teraseconds.
Usage
Myr (million years) is in common use in fields such as Earth science and cosmology. Myr is also used with Mya (million years ago). ...
(Ma) perhaps.McGowan (1994), Kimball ''et al.'' (2001)
When the lineages of
Borneo
Borneo (; id, Kalimantan) is the List of islands by area, third-largest island in the world and the largest in Asia. At the geographic centre of Maritime Southeast Asia, in relation to major Indonesian islands, it is located north of Java Isl ...
and
Malaya
Malaya refers to a number of historical and current political entities related to what is currently Peninsular Malaysia in Southeast Asia:
Political entities
* British Malaya (1826–1957), a loose collection of the British colony of the Straits ...
diverged has not been studied; considering the
phylogeny
A phylogenetic tree (also phylogeny or evolutionary tree Felsenstein J. (2004). ''Inferring Phylogenies'' Sinauer Associates: Sunderland, MA.) is a branching diagram or a tree showing the evolutionary relationships among various biological spe ...
of ''
Polyplectron
The peacock-pheasants are a bird genus, ''Polyplectron'', of the family Phasianidae, consisting of eight species. They are colored inconspicuously, relying on heavily on crypsis to avoid detection. When threatened, peacock-pheasants will alter t ...
Southeast Asia
Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical United Nations geoscheme for Asia#South-eastern Asia, south-eastern region of Asia, consistin ...
n mainland during
Pleistocene
The Pleistocene ( , often referred to as the '' Ice age'') is the geological epoch that lasted from about 2,580,000 to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was finally confirmed ...
glacial period
A glacial period (alternatively glacial or glaciation) is an interval of time (thousands of years) within an ice age that is marked by colder temperatures and glacier advances. Interglacials, on the other hand, are periods of warmer climate bet ...
s with low
sea level
Mean sea level (MSL, often shortened to sea level) is an average surface level of one or more among Earth's coastal bodies of water from which heights such as elevation may be measured. The global MSL is a type of vertical datuma standardise ...
s. In any case, the phylogeny and biogeography of the basal peacock-pheasants agrees with the idea of
reproductive isolation
The mechanisms of reproductive isolation are a collection of evolutionary mechanisms, behaviors and physiological processes critical for speciation. They prevent members of different species from producing offspring, or ensure that any offsprin ...
due to rising sea levels during the last ice age's
interglacial
An interglacial period (or alternatively interglacial, interglaciation) is a geological interval of warmer global average temperature lasting thousands of years that separates consecutive glacial periods within an ice age. The current Holocene ...
s, whereas the more advanced ''Polyplectron'' species are limited to today's mainland Southeast Asia.
Ecology
A shy and elusive bird, the Malay peacock-pheasant is
endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found els ...
to
lowland
Upland and lowland are conditional descriptions of a plain based on elevation above sea level. In studies of the ecology of freshwater rivers, habitats are classified as upland or lowland.
Definitions
Upland and lowland are portions of p ...
forests of the
Malay Peninsula
The Malay Peninsula ( Malay: ''Semenanjung Tanah Melayu'') is a peninsula in Mainland Southeast Asia. The landmass runs approximately north–south, and at its terminus, it is the southernmost point of the Asian continental mainland. The are ...
from the
Isthmus of Kra
The Kra Isthmus ( th, คอคอดกระ, ) in Thailand is the narrowest part of the Malay Peninsula. The western part of the isthmus belongs to Ranong Province and the eastern part to Chumphon Province, both in Southern Thailand. The ...
region southwards. At one time, this species was widespread in
Malaysia
Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...
and
Thailand
Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is b ...
, and reported from southern
Myanmar
Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John Wells explai ...
Singapore
Singapore (), officially the Republic of Singapore, is a sovereign island country and city-state in maritime Southeast Asia. It lies about one degree of latitude () north of the equator, off the southern tip of the Malay Peninsula, borde ...
, but it probably never occurred in the former two at least in historic times. It has since disappeared from most of its former range, with the remaining population being confined to the lowlands of central Malaysia, perhaps extending barely into Thailand. Although nothing certain is known, there is nothing to suggest that this species is anything other than a sedentary bird; individuals probably do not move a long distance from their place of
hatching
Hatching (french: hachure) is an artistic technique used to create tonal or shading effects by drawing (or painting or scribing) closely spaced parallel lines. (It is also used in monochromatic representations of heraldry to indicate what the t ...
. They are somewhat
territorial
A territory is an area of land, sea, or space, particularly belonging or connected to a country, person, or animal.
In international politics, a territory is usually either the total area from which a state may extract power resources or an ...
, but the ranges of several birds probably overlap except for the core areas. Males move about in an area of approximately 10–60
hectare
The hectare (; SI symbol: ha) is a non-SI metric unit of area equal to a square with 100- metre sides (1 hm2), or 10,000 m2, and is primarily used in the measurement of land. There are 100 hectares in one square kilometre. An acre is ...
s, while the ranges of females are half that size. The average
population density
Population density (in agriculture: Stock (disambiguation), standing stock or plant density) is a measurement of population per unit land area. It is mostly applied to humans, but sometimes to other living organisms too. It is a key geographical ...
in suitable
habitat
In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...
is estimated as slightly less than seven adult birds per square kilometer.
It inhabits mainly
dipterocarp
Dipterocarpaceae is a family of 16 genera and about 695 known species of mainly tropical lowland rainforest trees. The family name, from the type genus ''Dipterocarpus'', is derived from Greek (''di'' = two, ''pteron'' = wing and ''karpos'' = fru ...
rainforest
Rainforests are characterized by a closed and continuous tree canopy, moisture-dependent vegetation, the presence of epiphytes and lianas and the absence of wildfire. Rainforest can be classified as tropical rainforest or temperate rainfo ...
up to 150 m
ASL
American Sign Language (ASL) is a natural language that serves as the predominant sign language of Deaf communities in the United States of America and most of Anglophone Canada. ASL is a complete and organized visual language that is express ...
, rarely occurring even as low as 300 m ASL. While it can utilize
secondary forest
A secondary forest (or second-growth forest) is a forest or woodland area which has re-grown after a timber harvest or clearing for agriculture, until a long enough period has passed so that the effects of the disturbance are no longer evident. ...
, such habitat does not seem to be optimal. Its feeding habits are little-studied, but it probably eats a mix of plant matter (particularly fruits) and small
arthropod
Arthropods (, (gen. ποδός)) are invertebrate animals with an exoskeleton, a Segmentation (biology), segmented body, and paired jointed appendages. Arthropods form the phylum Arthropoda. They are distinguished by their jointed limbs and Arth ...
s as do its better-known relatives. It forages in typical
galliform
Galliformes is an order of heavy-bodied ground-feeding birds that includes turkeys, chickens, quail, and other landfowl. Gallinaceous birds, as they are called, are important in their ecosystems as seed dispersers and predators, and are often r ...
fashion, utilising its feet and bill to uncover invertebrates from forest litter. Recorded food items include
insect
Insects (from Latin ') are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs ...
Orthoptera
Orthoptera () is an order of insects that comprises the grasshoppers, locusts, and crickets, including closely related insects, such as the bush crickets or katydids and wētā. The order is subdivided into two suborders: Caelifera – grass ...
carpenter ant
Carpenter ants (''Camponotus'' spp.) are large () ants indigenous to many forested parts of the world.
They build nests inside wood consisting of galleries chewed out with their mandibles or jaws, preferably in dead, damp wood. However, unl ...
s),
mollusks
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is esti ...
,
isopods
Isopoda is an order of crustaceans that includes woodlice and their relatives. Isopods live in the sea, in fresh water, or on land. All have rigid, segmented exoskeletons, two pairs of antennae, seven pairs of jointed limbs on the thorax, an ...
''Camponotus'',''Campanotus'' is a ''
lapsus
In philology, a lapsus (Latin for "lapse, slip, error") is an involuntary mistake made while writing or speaking.
Investigations
In 1895 an investigation into verbal slips was undertaken by a philologist and a psychologist, Rudolf Meringer and ...
'' in McGowan (1994) and fruits and seeds of
Annonaceae
The Annonaceae are a family of flowering plants consisting of trees, shrubs, or rarely lianas commonly known as the custard apple family or soursop family. With 108 accepted genera and about 2400 known species, it is the largest family in the M ...
Fagaceae
The Fagaceae are a family of flowering plants that includes beeches, chestnuts and oaks, and comprises eight genera with about 927 species. Fagaceae in temperate regions are mostly deciduous, whereas in the tropics, many species occur as eve ...
(e.g.
stone oak
Stone Oak is a master planned district in north central San Antonio, Texas, United States. It is located north of Loop 1604 and west of U.S. 281. The district has many gated communities with 24-hour security, well-landscaped medians, granite r ...
s, ''Lithocarpus''). Other items found in Malay peacock-pheasant stomachs were probably not ingested deliberately; they include
moss
Mosses are small, non-vascular flowerless plants in the taxonomic division Bryophyta (, ) '' sensu stricto''. Bryophyta ('' sensu lato'', Schimp. 1879) may also refer to the parent group bryophytes, which comprise liverworts, mosses, and ...
, twigs, rootlets and part of an
Apocynaceae
Apocynaceae (from ''Apocynum'', Greek for "dog-away") is a family of flowering plants that includes trees, shrubs, herbs, stem succulents, and vines, commonly known as the dogbane family, because some taxa were used as dog poison Members of the ...
flower.
Reproduction
While captive Malay peacock-pheasants may sometimes appear to
polygynous
Polygyny (; from Neoclassical Greek πολυγυνία (); ) is the most common and accepted form of polygamy around the world, entailing the marriage of a man with several women.
Incidence
Polygyny is more widespread in Africa than in any o ...
or
promiscuous
Promiscuity is the practice of engaging in sexual activity frequently with different partners or being indiscriminate in the choice of sexual partners. The term can carry a moral judgment. A common example of behavior viewed as promiscuous by many ...
, not forming lasting
pair bond
In biology, a pair bond is the strong affinity that develops in some species between a mating pair, often leading to the production and rearing of offspring and potentially a lifelong bond. Pair-bonding is a term coined in the 1940s that is freque ...
s, this is probably atypical as peacock-pheasants are as a rule monogamous with males participating in nest defense and chick rearing. The
mating season
Seasonal breeders are animal species that successfully mate only during certain times of the year. These times of year allow for the optimization of survival of young due to factors such as ambient temperature, food and water availability, and ch ...
is not well resolved; recently used
nest
A nest is a structure built for certain animals to hold eggs or young. Although nests are most closely associated with birds, members of all classes of vertebrates and some invertebrates construct nests. They may be composed of organic materi ...
s have been found in March, April and August. Breeding activity may in fact occur essentially all year round (as in many lowland
rainforest
Rainforests are characterized by a closed and continuous tree canopy, moisture-dependent vegetation, the presence of epiphytes and lianas and the absence of wildfire. Rainforest can be classified as tropical rainforest or temperate rainfo ...
birds), triggered by abundance of
mast
Mast, MAST or MASt may refer to:
Engineering
* Mast (sailing), a vertical spar on a sailing ship
* Flagmast, a pole for flying a flag
* Guyed mast, a structure supported by guy-wires
* Mooring mast, a structure for docking an airship
* Radio mast ...
rather than by a fixed circannual rhythm. Males scrape the
debris
Debris (, ) is rubble, wreckage, ruins, litter and discarded garbage/refuse/trash, scattered remains of something destroyed, or, as in geology, large rock fragments left by a melting glacier, etc. Depending on context, ''debris'' can refer t ...
and
leaf litter
Plant litter (also leaf litter, tree litter, soil litter, litterfall or duff) is dead plant material (such as leaves, bark, needles, twigs, and cladodes) that have fallen to the ground. This detritus or dead organic material and its constituent ...
off their display sites in forest
clearing
Clearing may refer to:
Arts and media
* ''Clearing'' (Fred Frith album), 2001
* Clearing (Hyd album), 2022
* ''The Clearing'' (film), a 2004 drama film
* The Clearing (EP), a 2006 EP by Weatherbox
* ''The Clearing'' (Sleep for Sleepers album), ...
s, from where they maintain vocal contact with their mate and progeny. They adopt various highly stereotyped and ritualised postures and associated plumage displays, which reveal prominent ocelli on
remiges
Flight feathers (''Pennae volatus'') are the long, stiff, asymmetrically shaped, but symmetrically paired pennaceous feathers on the wings or tail of a bird; those on the wings are called remiges (), singular remex (), while those on the tai ...
and
rectrices
Flight feathers (''Pennae volatus'') are the long, stiff, asymmetrically shaped, but symmetrically paired pennaceous feathers on the wings or tail of a bird; those on the wings are called remiges (), singular remex (), while those on the tai ...
. These behaviors are likewise used in self-defense. When utilised in pair-bonding behavior copulation may occur subsequent to lateral displays. Anterior displays are also performed which may include curious clicking and vibrating pulsations of feather quills created via
stridulation
Stridulation is the act of producing sound by rubbing together certain body parts. This behavior is mostly associated with insects, but other animals are known to do this as well, such as a number of species of fish, snakes and spiders. The mech ...
.
Aviculturists report that the males' contribution to reproduction ends after
copulation
Sexual intercourse (or coitus or copulation) is a sexual activity typically involving the insertion and thrusting of the penis into the vagina for sexual pleasure or reproduction.Sexual intercourse most commonly means penile–vaginal penetrat ...
. This is not always the case in instances where pairs are maintained in mixed species enclosures and encouraged to nest naturally. The nest is somewhat vestigial, consisting of twigs and large leaves scraped together on low-lying firm ground, be it on a
termite mound
Mound-building termites are a group of termite species that live in mounds. These termites live in Africa, Australia and South America. The mounds sometimes have a diameter of . Most of the mounds are in well-drained areas. Termite mounds usuall ...
a short distance above the forest floor, or the forest floor itself. ''P. malacense'' is one of the few
pheasant
Pheasants ( ) are birds of several genera within the family Phasianidae in the order Galliformes. Although they can be found all over the world in introduced (and captive) populations, the pheasant genera native range is restricted to Eurasia ...
s known with certainty to have a one-egg
clutch
A clutch is a mechanical device that engages and disengages power transmission, especially from a drive shaft to a driven shaft. In the simplest application, clutches connect and disconnect two rotating shafts (drive shafts or line shafts ...
habitat loss
Habitat destruction (also termed habitat loss and habitat reduction) is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously inhabited the site are displaced or dead, thereby ...
, small population size and limited range, the Malayan peacock-pheasant is evaluated as endangered on the
IUCN Red List
The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is the world's most comprehensive inventory of the global conservation status of biol ...
of Threatened Species. Its numbers have declined about two-thirds in the last
decade
A decade () is a period of ten years. Decades may describe any ten-year period, such as those of a person's life, or refer to specific groupings of calendar years.
Usage
Any period of ten years is a "decade". For example, the statement that "d ...
or so, and that this trend is expected to last for another decade at least. It is listed on
CITES Appendix II
CITES (shorter name for the Convention on International Trade in Endangered Species of Wild Fauna and Flora, also known as the Washington Convention) is a multilateral treaty to protect endangered plants and animals from the threats of interna ...
.
Deforestation
Deforestation or forest clearance is the removal of a forest or stand of trees from land that is then land conversion, converted to non-forest use. Deforestation can involve conversion of forest land to farms, ranches, or urban area, urban ...
is the main threat for this
species
In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...
, and has rendered more than half of the places where it was found in the 1970s unsuitable for it. The available
habitat
In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...
has even declined by over three-quarters during that time, indicating that the population – estimated at about 8,000 adults as of 2008 – is close to the maximum possible, as less and less suitable forest is not inhabited by ''P. malacense''. It used to be hunted for food or as a
trophy
A trophy is a tangible, durable reminder of a specific achievement, and serves as a recognition or evidence of merit. Trophies are often awarded for sporting events, from youth sports to professional level athletics. In many sports medals (or, i ...
, but compared to deforestation these threats are nearly insignificant nowadays.
While a small amount of
selective logging
In forestry, fishing and mining, high grading refers to the selective harvesting of goods to keep only the most valuable items. The term is frequently associated with fraud, especially in mining.
Forestry
In forestry, high grading, also sometimes ...
is tolerated by this bird, it depends on sufficient
primary forest
An old-growth forestalso termed primary forest, virgin forest, late seral forest, primeval forest, or first-growth forestis a forest that has attained great age without significant disturbance, and thereby exhibits unique ecological featur ...
to persist. Most Malay peacock-pheasants today live in
protected area
Protected areas or conservation areas are locations which receive protection because of their recognized natural, ecological or cultural values. There are several kinds of protected areas, which vary by level of protection depending on the ena ...
s in
Malaysia
Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...
, namely
Taman Negara National Park
Taman Negara is a national park in Peninsular Malaysia. It was established in 1938/1939 as the King George V National Park after Theodore Hubback lobbied the sultans of Pahang, Terengganu and Kelantan to set aside a piece of land that covers the ...
and
Krau Wildlife Reserve
Krau Wildlife Reserve is the largest wildlife reserve covering 60,349 ha located in the Titiwangsa Mountains, central state of Pahang, Malaysia that was established during the British Colonial Administration. It is located nearby Benom Mountain i ...
in
Pahang
Pahang (; Jawi: , Pahang Hulu Malay: ''Paha'', Pahang Hilir Malay: ''Pahaeng'', Ulu Tembeling Malay: ''Pahaq)'' officially Pahang Darul Makmur with the Arabic honorific ''Darul Makmur'' (Jawi: , "The Abode of Tranquility") is a sultanate and ...
Perak
Perak () is a state of Malaysia on the west coast of the Malay Peninsula. Perak has land borders with the Malaysian states of Kedah to the north, Penang to the northwest, Kelantan and Pahang to the east, and Selangor to the south. Thailand's ...
Selangor
Selangor (; ), also known by its Arabic language, Arabic honorific Darul Ehsan, or "Abode of Sincerity", is one of the 13 Malaysian states. It is on the west coast of Peninsular Malaysia and is bordered by Perak to the north, Pahang to the east ...
. There are also a few reports from less strictly-protected areas, such as
Pasoh Forest Reserve
The Pasoh Forest Reserve, a nature reserve located about 8 km from Simpang Pertang, Malaysia and around 70 km southeast of Kuala Lumpur. It has a total area of 2,450 hectares, with a core area of 600 ha surrounded by a buffer zone. Palm o ...
in
Negeri Sembilan
Negeri Sembilan (, Negeri Sembilan Malay: ''Nogoghi Sombilan'', ''Nismilan'') is a state in Malaysia which lies on the western coast of Peninsular Malaysia. It borders Selangor on the north, Pahang in the east, and Malacca and Johor to the s ...
. In areas where they receive protection and where suitable habitat is plentiful, the Malay peacock-pheasant can be fairly common, and thus become a
flagship species
In conservation biology, a flagship species is a species chosen to raise support for biodiversity conservation in a given place or social context. Definitions have varied, but they have tended to focus on the strategic goals and the socio-economi ...
for
ecotourism
Ecotourism is a form of tourism involving responsible travel (using sustainable transport) to natural areas, conserving the environment, and improving the well-being of the local people. Its purpose may be to educate the traveler, to provide fund ...
zoo
A zoo (short for zoological garden; also called an animal park or menagerie) is a facility in which animals are kept within enclosures for public exhibition and often bred for conservation purposes.
The term ''zoological garden'' refers to zoo ...
population exists, numbering 189 birds in 35 sites in 1993. Its
studbook
A breed registry, also known as a herdbook, studbook or register, in animal husbandry and the hobby of animal fancy, is an official list of animals within a specific breed whose parents are known. Animals are usually registered by their breeder ...
is maintained by the
New York Zoological Society
New is an adjective referring to something recently made, discovered, or created.
New or NEW may refer to:
Music
* New, singer of K-pop group The Boyz
Albums and EPs
* ''New'' (album), by Paul McCartney, 2013
* ''New'' (EP), by Regurgitator ...
and
Wildlife Conservation International
The Wildlife Conservation Society (WCS) is a non-governmental organization headquartered at the Bronx Zoo in New York City, that aims to conserve the world's largest wild places in 14 priority regions. Founded in 1895 as the New York Zoological ...
. The
Department of Wildlife and National Parks
The Department of Wildlife and National Parks of Peninsular Malaysia ( ms, Jabatan Perlindungan Hidupan Liar dan Taman Negara Semenanjung Malaysia), abbreviated PERHILITAN, is a governmental organisation that is responsible for the protection, man ...
of Malaysia is preparing a
captive breeding
Captive breeding, also known as captive propagation, is the process of plants or animals in controlled environments, such as wildlife reserves, zoos, botanic gardens, and other conservation facilities. It is sometimes employed to help species t ...
program to bolster the population in reserves and prevent
inbreeding depression
Inbreeding depression is the reduced biological fitness which has the potential to result from inbreeding (the breeding of related individuals). Biological fitness refers to an organism's ability to survive and perpetuate its genetic material. ...
by release of captive-bred birds.
Footnotes
References
* Kimball, Rebecca T.; Braun, Edward L.; Ligon, J. David; Lucchini, Vittorio & Randi, Ettore (2001): A molecular phylogeny of the peacock-pheasants (Galliformes: ''Polyplectron'' spp.) indicates loss and reduction of ornamental traits and display behaviours. '' Biol. J. Linn. Soc.'' 73(2): 187–198. PDF fulltext * McGowan, Philip J.K. (1994): 148. Malaysian Peacock-pheasant. ''In:'' del Hoyo, Josep; Elliott, Andrew & Sargatal, Jordi (eds.): ''
Handbook of Birds of the World
The ''Handbook of the Birds of the World'' (HBW) is a multi-volume series produced by the Spanish publishing house Lynx Edicions in partnership with BirdLife International. It is the first handbook to cover every known living species of bird. Th ...
'' (Vol.2: New World vultures to Guineafowl): 548, plate 58. Lynx Edicions, Barcelona.
* McGowan, Philip J.K. (1998): Weights of some birds from the Malaysian forest floor. ''
Forktail
The forktails are small insectivorous birds in the genus ''Enicurus''. They were formerly in the thrush family, Turdidae, but are more often now treated as part of the Old World flycatcher family, Muscicapidae. Their name derives from their long ...