The western or Arfak parotia (''Parotia sefilata'') is a medium-sized, approximately 33 cm long,
bird-of-paradise
The birds-of-paradise are members of the family Paradisaeidae of the order Passeriformes. The majority of species are found in eastern Indonesia, Papua New Guinea and eastern Australia. The family has 44 species in 17 genera. The members of thi ...
with a medium-length tail.
Parotia comes from the
Greek
Greek may refer to:
Greece
Anything of, from, or related to Greece, a country in Southern Europe:
*Greeks, an ethnic group.
*Greek language, a branch of the Indo-European language family.
**Proto-Greek language, the assumed last common ancestor ...
''parotis'', a lock or curl of hair by the ear, alluding to the head wires. The specific name ''sefilata'' is derived from the
Latin
Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power ...
word 'sex', meaning six, and ''filum'', a thread or filament.
Description
Like other birds-of-paradise, the western parotia is
sexually dimorphic
Sexual dimorphism is the condition where the sexes of the same animal and/or plant species exhibit different morphological characteristics, particularly characteristics not directly involved in reproduction. The condition occurs in most ani ...
. The male has jet black plumage, with striking
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 ...
scale-like golden-green breast shields and triangular silver feathers on its crown.
The occipital plumes (or head wires) arise from above and behind the eyes, with three long
erectile Erectile tissue is tissue in the body with numerous vascular spaces, or cavernous tissue, that may become engorged with blood. However, tissue that is devoid of or otherwise lacking erectile tissue (such as the labia minora, the vestibule/vagina and ...
wire-like plumes with smaller
spatula
A spatula is a broad, flat, flexible blade used to mix, spread and lift material including foods, drugs, plaster and paints.
In medical applications, "spatula" may also be used synonymously with tongue depressor.
The word ''spatula'' derives ...
te tips, above and behind each eye.
As with most members of the
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 ...
, the female is unadorned and has brown plumage.
[ ] The species is similar to
Lawes's parotia
Lawes's parotia (''Parotia lawesii''), is a medium-sized (up to 27 cm long) passerine of the bird-of-paradise family, Paradisaeidae. It is distributed and endemic to mountain forests of southeast and eastern Papua New Guinea. Occasional ...
(''Parotia lawesii'').
Distribution
The western parotia is found only in the mountain forests of
Vogelkop
The Bird's Head Peninsula ( Indonesian: ''Kepala Burung'', nl, Vogelkop) or Doberai Peninsula (''Semenanjung Doberai''), is a large peninsula that makes up the northwest portion of the island of New Guinea, comprising the Indonesian provinces ...
and the Wandammen Peninsula of
Western New Guinea
Western New Guinea, also known as Papua, Indonesian New Guinea, or Indonesian Papua, is the western half of the Melanesian island of New Guinea which is administered by Indonesia. Since the island is alternatively named as Papua, the region ...
.
Behaviour
The species is
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 ...
. Males presumably perform a series of courtship displays on terrestrial courts in
exploded leks.
In courtship display, the male performs a
ballerina
A ballet dancer ( it, ballerina fem.; ''ballerino'' masc.) is a person who practices the art of classical ballet. Both females and males can practice ballet; however, dancers have a strict hierarchy and strict gender roles. They rely on ...
-like dance with its elongated black plumes spread
skirt
A skirt is the lower part of a dress or a separate outer garment that covers a person from the waist downwards.
At its simplest, a skirt can be a draped garment made out of a single piece of fabric (such as pareos). However, most skirts ar ...
-like, right below the iridescent breast shield. During the spectacular dance, he shakes his head and neck rapidly to show the brilliance of his inverted silver
triangle
A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry. A triangle with vertices ''A'', ''B'', and ''C'' is denoted \triangle ABC.
In Euclidean geometry, any three points, when non- colli ...
-shaped head adornment to attending females.
The nest is built and attended by the female alone; the breeding season is largely unknown.
The diet consists mainly of fruits such as figs, and arthropods.
Status
A widespread and common species throughout its range, the western parotia is evaluated as Least Concern 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.
It is listed in Appendix II of
CITES
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 ...
.
References
External links
BirdLife Species FactsheetAudio and Video from the Macaulay Library
Parotia
Birds of Western New Guinea
Birds described in 1781
Taxa named by Thomas Pennant
{{Paradisaeidae-stub