| Black tinamou | |
|---|---|
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Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Infraclass: | Palaeognathae |
| Order: | Tinamiformes |
| Family: | Tinamidae |
| Genus: | Tinamus |
| Species: | T. osgoodi |
| Binomial name | |
| Tinamus osgoodi | |
| Subspecies [2] | |
T. o. osgoodi Conover, 1949 Contents | |
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The black tinamou (Tinamus osgoodi) is a species of ground bird found in humid foothill and montane forest in the Andes of South America.
All tinamous are from the family Tinamidae and members of the infraclass Palaeognathae. Tinamous are the only members from their infraclass that aren't ratites, and can even fly, albeit poorly. All paleognaths evolved from prehistoric flying birds, and tinamous are the closest living relative of these birds. [3] This species of tinamous was first described by Henry Boardman Conover in 1949 based on a specimen from Cusco in Peru. [3]
It has two subspecies:
The black tinamou is a stocky terrestrial bird with a short tail and rounded wings. It is comparatively larger than other tinamous and tends to be about 40 to 46 cm (16–18 in) long, with females being a little larger than males. A male black tinamou has an average wingspan of about 234 to 248 mm (9.2–9.8 in), and a female black tinamou has an average wingspan of 239 to 256 mm (9.4–10.1 in). While there is no record of the average mass of a black tinamou, a male specimen weighing 1,285 g (45.3 oz) has been examined at the Field Museum of Natural History. It is primarily slate grey, rather than truly black as its name would imply. The upperparts of an adult black tinamou are a uniform grey, while its midsection and greater wing coverts are sometimes edged with brown. Its lower breasts and flanks are a sooty brown color, as well as its belly. It has a rufescent vent, which may or may not have black speckling, depending on the subspecies. Its maxilla is black, and its mandible is a light grey. The black tinamou has blue-grey legs and dark brown eyes. An adolescent black tinamou is similar in color, but with whitish spots on the coverts of its wings. Black tinamou chicks generally have a light brown head with a broad, cinnamon-brown stripe extending from the crest of their heads to the napes of their necks. They have whitish throats and chins. Their neck, upper back and upper breast are a dusty brown. A black tinamou chick's lower back and rump is a dirty buff color, and its lower breast and belly range from dusky brown to pale brown.
The black tinamou has a tremulous and descending whistle lasting about one second. The whistle is similar to that of a white-throated tinamou, even sharing the same first note. [3] [6] [8]
Virtually nothing is known about the behavior of the black tinamou, but it is likely similar to that of its relatives. Nuts have been found in the crop of one specimen. [1]
The only nest known was on the ground and contained 2 glossy blue eggs. [3] In Peru, adults in breeding condition have been recorded between March and November, and a chick was found in February. [1]
The black tinamou is rated as Vulnerable by the IUCN with a range occurrence of 11,600 km2 (4,500 sq mi). In 2004 it was estimated that fewer than 10,000 remained. [6] There are few recent records from Colombia. [1] It was formerly described as locally common in Peru, [1] but is now rare in that country. [7] The black tinamou has been recorded in several reserves, notably the Megantoni National Sanctuary, Manú National Park and Sira Communal Reserve in Peru, Sumaco Napo-Galeras National Park in Ecuador, and the Cueva de los Guácharos National Park in Colombia. [5] [6] [9]
The black tinamou is threatened by deforestation or loss of habitat caused by human settlement expansion, agricultural expansion, road-building, oil exploration in Peru, and it is hunted for food. [1] Even within reserves, hunting and habitat loss are ongoing. [6] [9]
Tinamous are members of the order Tinamiformes, and family Tinamidae, divided into two distinct subfamilies, containing 46 species found in Mexico, Central America, and South America. The word "tinamou" comes from the Galibi term for these birds, tinamu. Tinamous are the only living group of palaeognaths able to fly, and were traditionally regarded as the sister group of the flightless ratites, but recent work places them well within the ratite radiation as most closely related to the extinct moa of New Zealand, implying flightlessness emerged among ratites multiple times. Tinamous first appear in the fossil record in the Miocene epoch. They are generally sedentary, ground-dwelling and, though not flightless, when possible avoid flight in favour of hiding or running away from danger. They are found in a variety of habitats, ranging from semi-arid alpine grasslands to tropical rainforests. The two subfamilies are broadly divided by habitat, with the Nothurinae referred to as steppe or open country tinamous, and the Tinaminae known as forest tinamous.
The red-winged tinamou is a medium-sized ground-living bird from central and eastern South America. Other common names for the species include perdiz grande, rufous tinamou, and ynambu.
The white-throated tinamou is a species of bird native to the Amazon rainforest of Brazil, northern Bolivia, southeastern Colombia, northeastern Ecuador, eastern Peru and southern Venezuela.
The great tinamou is a species of tinamou ground bird native to Central and South America. There are several subspecies, mostly differentiated by their coloration.
The brown tinamou is a brownish ground bird found in humid lowland and montane forest in tropical and subtropical South America.
The Andean tinamou is a tinamou, found commonly in high-altitude shrubland, in the Andes of South America.
The grey tinamou is a type of ground bird native to South America. Four subspecies are recognised.
Crypturellus is a genus of tinamous containing mostly forest species. However, there are the odd few that are grassland or steppe tinamous. The genus contains 21 species.
The solitary tinamou is a species of paleognath ground bird. This species is native to Atlantic forest of eastern Brazil.
The highland tinamou or Bonaparte's tinamou is a type of ground bird found in montane moist forest typically over 1,500 m (4,900 ft) altitude.
The tawny-breasted tinamou is a type of ground bird found in montane moist forest. Their range is northwestern South America.
The hooded tinamou is a type of ground bird found in forests of Bolivia and Peru.
The undulated tinamou is a species of ground bird found in a wide range of wooded habitats in eastern and northern South America.
The grey-legged tinamou, 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.
The slaty-breasted tinamou or Boucard's tinamou is a type of tinamou commonly found in lowland moist forests of Mexico and Central America.
The Tataupa tinamou is a type of tinamou commonly found in dry forest in subtropical and tropical regions in southeastern South America.
Taczanowski's tinamou is a type of ground bird found in the eastern Andes in Peru in the Junín, Cuzco, Apurímac, Ayacucho, and Puno Regions.
The ornate tinamou is a type of tinamou commonly found in the high altitude grassland and dry shrubland in subtropical and tropical regions of west central South America.
The brushland tinamou is a type of tinamou commonly found in high-altitude dry shrubland in subtropical and tropical regions of southern South America.
The curve-billed tinamou is a type of tinamou commonly found in high-altitude grassland and shrubland habitats in the Andes of South America.
