Bartlett's Tinamou vs Cinereous Tinamou
Crypturellus bartletti в сравнении с Crypturellus cinereus
Side-by-Side Comparison
| Характеристика | Bartlett's Tinamou | Cinereous Tinamou |
|---|---|---|
| Научное название | Crypturellus bartletti | Crypturellus cinereus |
| Отряд | Tinamiformes | Tinamiformes |
| Семейство | Tinamidae | Tinamidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 27,1 cm (10.7 in) | 32,5 cm (12.8 in) |
| Масса | 241,0 g (8.50 oz) | 502,25 g (17.72 oz) |
| Питание | Grazes aquatic vegetation, grasses, and sedges in South American marshes; wades in shallow water; diet … | Feeds on seeds, berries, and insects in Neotropical forests; scratches leaf litter to expose invertebrates; … |
| Размер кладки | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Bartlett's Tinamou
Lowland humid forest in the western Amazon basin of Peru, Ecuador, and adjacent Colombia and Brazil. Prefers undisturbed terra firme and seasonally flooded forest interior below 400 m.
Cinereous Tinamou
Lowland humid forest and forest edges in the Amazon and Orinoco basins from Venezuela and Colombia to Bolivia and central Brazil. Prefers dense understorey near water. Tolerates some secondary growth.
Song & Call Comparison
Bartlett's Tinamou
A soft, repeated whistle from Amazonian lowland forest. Less well known than other Crypturellus; its call is a simple 2-note descending whistle given from dense cover.
Cinereous Tinamou
A monotonous, deep whistle repeated at regular slow intervals. The call is a single, resonant 'whoooo' given from forest floor cover. Typical of lowland humid forest.
Geographic Range & Migration
Bartlett's Tinamou
Ranges from southern Mexico through Central America to northern South America. Sedentary in humid lowland forest understory.
Cinereous Tinamou
Ranges through forests of Chile and adjacent western Argentina. Sedentary in temperate Valdivian forests from sea level to 1,500 m.
Охранный статус
Bartlett's Tinamou
Cinereous Tinamou
How to Tell Them Apart
Bartlett's Tinamou
Brown upperparts with fine blackish barring; crown dark. Throat whitish to pale buff; breast rufous-brown. Belly buff-white. Reddish legs. Small tinamou of Amazonian lowland forests; sexes similar.
Cinereous Tinamou
Uniform slate-gray upperparts; head, neck and breast also gray. Belly paler grayish-white. Lacks strong barring. Bill and legs dark gray. Sexes similar; cinereous refers to its ashy coloration.
About These Birds
Bartlett's Tinamou
A small brown tinamou with obscure barring and a grey throat, named after naturalist Edward Bartlett. Found in the western Amazon basin in Peru, Ecuador, and adjacent Brazil. Terrestrial and cryptic; detected mainly by its soft clear whistle in humid forest.
Cinereous Tinamou
A plain uniformly grey-brown tinamou with barred wings and a pale throat. Widespread in lowland Amazonian and Orinoco basin forests. Often detected by its loud two-note whistle. Males alone incubate the glossy teal-colored eggs. Feeds on fallen fruits, seeds, and invertebrates.