Crypturellus Erythropus Idoneus
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''Crypturellus'' is a genus of
tinamou Tinamous () are members of the order Tinamiformes (), and family Tinamidae (), divided into two distinct subfamily, subfamilies, containing 46 species found in Mexico, Central America, and South America. The word "tinamou" comes from the Carib la ...
s containing mostly
forest A forest is an ecosystem characterized by a dense ecological community, community of trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, ...
species. However, there are the odd few that are grassland or steppe tinamous. The genus contains 21 species.


Taxonomy

The genus ''Crypturellus'' was introduced in 1914 by the British ornithologists
Baron Brabourne Baron Brabourne, of Brabourne in the County of Kent, is a title in the Peerage of the United Kingdom. It was created in 1880 for the Liberal politician Edward Knatchbull-Hugessen, the second son of Sir Edward Knatchbull, 9th Baronet, of Mersh ...
and Charles Chubb with the
Tataupa tinamou The Tataupa tinamou (''Crypturellus tataupa'') is a type of tinamou commonly found in dry forest in subtropical and tropical regions in southeastern South America.Clements, J (2007) Naming * ''Crypturellus'' is formed from three Latin or Greek ...
as the
type species In International_Code_of_Zoological_Nomenclature, zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the spe ...
. The genus name combines the
Ancient Greek Ancient Greek (, ; ) includes the forms of the Greek language used in ancient Greece and the classical antiquity, ancient world from around 1500 BC to 300 BC. It is often roughly divided into the following periods: Mycenaean Greek (), Greek ...
κρυπτός (''kruptós'') meaning "hidden" with οὐρά (''oura'') meaning "tail". The ''-ellus'' is a diminutive so that the name means "small hidden tail".


Description

''Crypturellus'' members, like other tinamous, have a cryptic color scheme dominated by browns, buffs, yellows, and greys. Unlike the rest of the family, these birds show some sexual dimorphism: the females are more heavily barred than the males and are also a bit brighter and larger.


Range

The majority of species occupy forests or rain forests, preferring lower elevations. They range from
Uruguay Uruguay, officially the Oriental Republic of Uruguay, is a country in South America. It shares borders with Argentina to its west and southwest and Brazil to its north and northeast, while bordering the Río de la Plata to the south and the A ...
to
Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...
. However, the earliest known occurrence of the genus is a fossil
humerus The humerus (; : humeri) is a long bone in the arm that runs from the shoulder to the elbow. It connects the scapula and the two bones of the lower arm, the radius (bone), radius and ulna, and consists of three sections. The humeral upper extrem ...
, described as '' Crypturellus reai'', from the
Early Miocene The Early Miocene (also known as Lower Miocene) is a sub-epoch of the Miocene epoch (geology), Epoch made up of two faunal stage, stages: the Aquitanian age, Aquitanian and Burdigalian stages. The sub-epoch lasted from 23.03 ± 0.05 annum, Ma to ...
Santa Cruz Formation of
Patagonia Patagonia () is a geographical region that includes parts of Argentina and Chile at the southern end of South America. The region includes the southern section of the Andes mountain chain with lakes, fjords, temperate rainforests, and glaciers ...
.


Vocalization

''Crypturellus'' are a very loud group of birds with melodious calls. They tend to use lower frequency when they call than other members of the Tinamou. Males and females have different calls and each species also has different calls. Normally each sex will have a long and a short phrase call. The genus can be grouped into two partial groups based on the similarity of their calls. * Group 1 **
Undulated tinamou The undulated tinamou (''Crypturellus undulatus'') is a species of ground bird found in a wide range of wooded habitats in eastern and northern South America. Etymology Its generic name ''Crypturellus'' is formed from three Latin or Greek word ...
**
Red-legged tinamou The red-legged tinamou or red-footed tinamou, (''Crypturellus erythropus'') is a ground-dwelling bird found in the tropics and lower subtropics of northern South America.Clements, J (2007) Description The red-legged tinamou is superficially simi ...
**
Yellow-legged tinamou The yellow-legged tinamou (''Crypturellus noctivagus'') is a species of tinamou found in wooded and shrubland, shrubby habitats in tropical and subtropical eastern Brazil.Clements, J (2007) This superficially quail-like bird has a grey-brown plu ...
* Group 2 **
Brown tinamou The brown tinamou (''Crypturellus obsoletus'') is a brownish ground bird found in humid lowland and montane forest in tropical and subtropical South America.BirdLife International (2008) Taxonomy All tinamous are usually treated in a single fa ...
**
Small-billed tinamou The small-billed tinamou (''Crypturellus parvirostris'') is a type of Tinamou commonly found in dry savanna in Amazonian South America.Clements, J (2007) Description The small-billed tinamou is approximately in length. Its upperparts are dark ...
**
Tataupa tinamou The Tataupa tinamou (''Crypturellus tataupa'') is a type of tinamou commonly found in dry forest in subtropical and tropical regions in southeastern South America.Clements, J (2007) Naming * ''Crypturellus'' is formed from three Latin or Greek ...
Some, like the
slaty-breasted tinamou The slaty-breasted tinamou or Boucard's tinamou (''Crypturellus boucardi'') is a type of tinamou commonly found in lowland moist forests of Mexico and Central America.Clements, J (2007) Taxonomy All tinamou are from the family Tinamidae, and ...
are quiet and hide during the middle of the day, choosing this time to take naps and conserve energy. The slaty-breasted tinamous also have a unique call amongst themselves, so much so that individual birds can be recognized by their calls. Most members of the genus have a variation in their calls, within the species, based on their geographical location. They also are known to use regular calling sites.


Feeding

Similar to other forest tinamou, the members of this genus prefer to eat fleshy fruit; however like tinamous in general they are opportunistic and will eat a variety of foods including insects, which they have been known to leap high to obtain.


Breeding

Courtship technique for the members of ''Crypturellus'' consists of the male lowering his breast to the ground, stretching his neck forward and raising his posterior vertically. This will cause the male to appear larger and longer than normal, which not only impresses the female but also benefits the male in that it scares away competitors. Females outnumber the males with some of the species, such as the
variegated tinamou The variegated tinamou (''Crypturellus variegatus'') a type of tinamou commonly found in moist forest lowlands in subtropical and tropical regions of northern South America. Taxonomy The variegated tinamou was formally described in 1789 by the Ge ...
, having a 4:1 female-to-male ratio. They also only have a 2-egg clutch, which would explain why they are one of the species that have multiple clutches. Once copulation has taken place, the female will choose a nest site that is typically a depression covered with leaves next to a tree trunk, usually between a couple of buttresses. Members of the genus that are savanna style birds such as the
small-billed tinamou The small-billed tinamou (''Crypturellus parvirostris'') is a type of Tinamou commonly found in dry savanna in Amazonian South America.Clements, J (2007) Description The small-billed tinamou is approximately in length. Its upperparts are dark ...
will instead lay their eggs in a cavity near a clump of grass. The eggs are oval or elliptical on the smaller birds and near spherical in the larger birds, such as the
undulated tinamou The undulated tinamou (''Crypturellus undulatus'') is a species of ground bird found in a wide range of wooded habitats in eastern and northern South America. Etymology Its generic name ''Crypturellus'' is formed from three Latin or Greek word ...
and the
Brazilian tinamou The Brazilian tinamou (''Crypturellus strigulosus'') is a type of tinamou found in tropical moist lowland forest in regions of Amazonian South America. Etymology ''Crypturellus'' is formed from three Latin or Greek words. ''kruptos'' meaning ...
. The colorings of the eggs are varied, but in general are brightly colored with no splotches or spots; the colors fade over time and usually will change to a less overt color midway through the incubation period. The predominant colors are chocolate or red wine with the eggs of
yellow-legged tinamou The yellow-legged tinamou (''Crypturellus noctivagus'') is a species of tinamou found in wooded and shrubland, shrubby habitats in tropical and subtropical eastern Brazil.Clements, J (2007) This superficially quail-like bird has a grey-brown plu ...
, undulated tinamou,
little tinamou The little tinamou (''Crypturellus soui'') is a species of tinamou. It is found in Central America, Central and South America, as well as on the Caribbean island of Trinidad. Etymology ''Crypturellus'' is formed from three Latin or Greek languag ...
, and
red-legged tinamou The red-legged tinamou or red-footed tinamou, (''Crypturellus erythropus'') is a ground-dwelling bird found in the tropics and lower subtropics of northern South America.Clements, J (2007) Description The red-legged tinamou is superficially simi ...
using different color schemes. Clutch size can be upwards of 9-16 eggs, however these larger clutches are the products of multiple females. The male will incubate and care for the young. Incubation takes about 16 days. If he dies, the female will take over. When the chicks cross cleared areas, they will run like the chicks of
rails Rail or rails may refer to: Rail transport *Rail transport and related matters * Railway track or railway lines, the running surface of a railway Arts and media Film * ''Rails'' (film), a 1929 Italian film by Mario Camerini * ''Rail'' (1967 fi ...
. Some members of the genus mature rapidly, like the slaty-breasted tinamou which can gain adult size (not weight) by 20 days.


Relationships

Here is a cladogram of the relationship of species within ''Crypturellus'', from an integumentary phylogenetic study on the Tinamidae, 2013. '' Crypturellus parvirostris'' and '' Crypturellus tataupa'' are also the most derived species on a tree of the entire
Paleognathae Palaeognathae (; ) is an infraclass of birds, called paleognaths or palaeognaths, within the class Aves of the clade Archosauria. It is one of the two extant infraclasses of birds, the other being Neognathae, both of which form Neornithes. Pala ...
.


Species

The genus contains 21 species:Clements, J (2007) * Berlepsch's tinamou (''Crypturellus berlepschi'') – coastal forests of northwestern Colombia and northwestern Ecuador *
Little tinamou The little tinamou (''Crypturellus soui'') is a species of tinamou. It is found in Central America, Central and South America, as well as on the Caribbean island of Trinidad. Etymology ''Crypturellus'' is formed from three Latin or Greek languag ...
(''Crypturellus soui'') – southern Mexico to northeastern Brazil west to Ecuador and east to French Guiana and also Trinidad *
Cinereous tinamou The cinereous tinamou (''Crypturellus cinereus''), also known as brushland tinamou, is a type of ground bird found in swamp and lowland forests in northern South America. They have some localized names that have been used by the indigenous people ...
(''Crypturellus cinereus'') – southeastern Colombia, southern Venezuela, Guyana, French Guiana, Suriname, northeastern Brazil, and northern Bolivia *
Tepui tinamou The tepui tinamou (''Crypturellus ptaritepui'') is a type of ground bird found in montane moist forest on tepuis, in southeastern Venezuela.Clements, J (2007) Taxonomy This is a monotypic species.Clements, J (2007) All tinamou are from the famil ...
(''Crypturellus ptaritepui'') – the
tepuis A tepui , or tepuy (), is a member of a family of table-top mountains or mesas found in northern South America, especially in Venezuela, western Guyana, and northern Brazil. The word tepui means "house of the gods" in the native tongue of the ...
of southern Venezuela *
Brown tinamou The brown tinamou (''Crypturellus obsoletus'') is a brownish ground bird found in humid lowland and montane forest in tropical and subtropical South America.BirdLife International (2008) Taxonomy All tinamous are usually treated in a single fa ...
(''Crypturellus obsoletus'') – northern Venezuela west through Ecuador, Peru, northern and southern Brazil, extreme northeastern Argentina, eastern Bolivia, and Paraguay *
Undulated tinamou The undulated tinamou (''Crypturellus undulatus'') is a species of ground bird found in a wide range of wooded habitats in eastern and northern South America. Etymology Its generic name ''Crypturellus'' is formed from three Latin or Greek word ...
(''Crypturellus undulatus'') – northern and central
South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...
except Suriname and French Guiana *
Pale-browed tinamou The pale-browed tinamou (''Crypturellus transfasciatus'') is a type of tinamou found in tropical dry forests in Peru and Ecuador.Clements, J (2007) Etymology ''Crypturellus'' is formed from three Latin or Greek language, Greek words. ''Kruptos'' ...
(''Crypturellus transfasciatus'') – coastal forests of Ecuador and extreme northwestern Peru *
Brazilian tinamou The Brazilian tinamou (''Crypturellus strigulosus'') is a type of tinamou found in tropical moist lowland forest in regions of Amazonian South America. Etymology ''Crypturellus'' is formed from three Latin or Greek words. ''kruptos'' meaning ...
(''Crypturellus strigulosus'') – central Brazil south of the Amazon River, northwestern Bolivia, and eastern Peru *
Grey-legged tinamou The grey-legged tinamou (''Crypturellus duidae''), alternatively, the gray-legged tinamou, is a small ground-dwelling bird endemic to the neotropics. It is a rarely seen bird due to its small size and discreet appearance. Taxonomy The grey-legge ...
(''Crypturellus duidae'') – the tropical forests of east central Colombia and southern Venezuela *
Red-legged tinamou The red-legged tinamou or red-footed tinamou, (''Crypturellus erythropus'') is a ground-dwelling bird found in the tropics and lower subtropics of northern South America.Clements, J (2007) Description The red-legged tinamou is superficially simi ...
(''Crypturellus erythropus'') – from northern Colombia east to French Guiana and south to northern Brazil and also
Margarita Island Margarita Island (, ) is the largest island in the States of Venezuela, Venezuelan state of Nueva Esparta, situated off the north west coast of the country, in the Caribbean Sea. The capital city of Nueva Esparta, La Asunción, is located on the ...
*
Yellow-legged tinamou The yellow-legged tinamou (''Crypturellus noctivagus'') is a species of tinamou found in wooded and shrubland, shrubby habitats in tropical and subtropical eastern Brazil.Clements, J (2007) This superficially quail-like bird has a grey-brown plu ...
(''Crypturellus noctivagus'') – the lowlands of eastern Brazil *
Black-capped tinamou The black-capped tinamou (''Crypturellus atrocapillus'') is a type of tinamou commonly found in the moist forest lowlands in subtropical and tropical regions. Taxonomy All tinamou are from the family Tinamidae, and in the larger scheme are also ...
(''Crypturellus atrocapillus'') – the lowlands of southeastern Peru and northern Bolivia *
Thicket tinamou The thicket tinamou or rufescent tinamou (''Crypturellus cinnamomeus'') is a type of tinamou commonly found in moist forests in subtropical and tropical central Mexico.Clements, J (2007) Taxonomy All tinamou are from the family Tinamidae, and i ...
(''Crypturellus cinnamomeus'') – from northwestern Costa Rica north to Puebla, Mexico, and all of the Atlantic coastal Mexico and Pacific coastal Mexico excluding
Sonora, Mexico Sonora (), officially Estado Libre y Soberano de Sonora (), is one of the 31 states which, along with Mexico City, comprise the Federal Entities of Mexico. The state is divided into 72 municipalities; the capital (and largest) city of which is ...
*
Slaty-breasted tinamou The slaty-breasted tinamou or Boucard's tinamou (''Crypturellus boucardi'') is a type of tinamou commonly found in lowland moist forests of Mexico and Central America.Clements, J (2007) Taxonomy All tinamou are from the family Tinamidae, and ...
or Boucard's tinamou (''Crypturellus boucardi'') – the gulf coastal region of
Central America Central America is a subregion of North America. Its political boundaries are defined as bordering Mexico to the north, Colombia to the southeast, the Caribbean to the east, and the Pacific Ocean to the southwest. Central America is usually ...
from southeastern Mexico to northeastern Honduras and southeastern Honduras to northern Costa Rica *
Choco tinamou The Choco tinamou or Chocó tinamou (''Crypturellus kerriae'') is a type of tinamou found in lowland forest and montane forest in subtropical and tropical regions of Colombia and Panama. Description The Choco tinamou is approximately in length ...
(''Crypturellus kerriae'') – humid foothills of southeastern Panama to northwestern Colombia *
Variegated tinamou The variegated tinamou (''Crypturellus variegatus'') a type of tinamou commonly found in moist forest lowlands in subtropical and tropical regions of northern South America. Taxonomy The variegated tinamou was formally described in 1789 by the Ge ...
(''Crypturellus variegatus'') – northern Bolivia, Amazonian Brazil, French Guiana, Guyana, Suriname, Venezuela, and Colombia *
Rusty tinamou The rusty tinamou or short-billed tinamou (''Crypturellus brevirostris'') is a type of tinamou commonly found in swamp forest in tropical regions of South America.Clements, J (2007) Taxonomy The rusty tinamou is a monotypic species. All tinamou ...
or short-billed tinamou (''Crypturellus brevirostris'') – French Guiana, eastern Peru, and northwestern and northeastern Brazil *
Bartlett's tinamou Bartlett's tinamou (''Crypturellus bartletti'') is a type of tinamou found in lowland forest in South America.Clements, J (2007) Taxonomy The Bartlett's tinamou is a monotypic species. All tinamou are from the family Tinamidae, and in the larg ...
(''Crypturellus bartletti'') – western Amazonian Brazil, northern Bolivia, and eastern Peru *
Small-billed tinamou The small-billed tinamou (''Crypturellus parvirostris'') is a type of Tinamou commonly found in dry savanna in Amazonian South America.Clements, J (2007) Description The small-billed tinamou is approximately in length. Its upperparts are dark ...
(''Crypturellus parvirostris'') – from the
Amazon Basin The Amazon basin is the part of South America drained by the Amazon River and its tributary, tributaries. The Amazon drainage basin covers an area of about , or about 35.5 percent of the South American continent. It is located in the countries ...
in Brazil to northeastern Argentina *
Barred tinamou The barred tinamou (''Crypturellus casiquiare'') is a type of tinamou commonly found in lowland moist forest in subtropical and tropical regions of northern South America. Taxonomy This is a monotypic species. All tinamou are from the family Ti ...
(''Crypturellus casiquiare'') – eastern Colombia and southern Venezuela *
Tataupa tinamou The Tataupa tinamou (''Crypturellus tataupa'') is a type of tinamou commonly found in dry forest in subtropical and tropical regions in southeastern South America.Clements, J (2007) Naming * ''Crypturellus'' is formed from three Latin or Greek ...
(''Crypturellus tataupa'') – parts of Peru, northeastern Brazil, Paraguay, southern Brazil, eastern Bolivia, and northern Argentina There is also an extinct species: *†'' Crypturellus reai'' Chandler 2012 – dating from the Early-Middle Miocene (
Santacrucian The Santacrucian age is a period of geologic time (17.5 – 16.3 Mya (unit), Ma) within the Early Miocene epoch of the Neogene, used more specifically with South American land mammal age, SALMA classification in South America. It follows the Colhue ...
; 16.3–17.5 million years ago)


References


Sources

* * * * {{Authority control Tinamous Bird genera