Bartlett's Tinamou vs Grey-legged Tinamou
Crypturellus bartletti comparado com Crypturellus duidae
Side-by-Side Comparison
| Atributo | Bartlett's Tinamou | Grey-legged Tinamou |
|---|---|---|
| Nome científico | Crypturellus bartletti | Crypturellus duidae |
| Ordem | Tinamiformes | Tinamiformes |
| Família | Tinamidae | Tinamidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 27,1 cm (10.7 in) | 32,6 cm (12.8 in) |
| Peso | 241,0 g (8.50 oz) | 429,5 g (15.15 oz) |
| Dieta | Grazes aquatic vegetation, grasses, and sedges in South American marshes; wades in shallow water; diet … | Ground-gleaner taking seeds, berries, and arthropods in Amazonian forests; invertebrate proportion rises in wet season. |
| Tamanho da postura | -- | -- |
| 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.
Grey-legged Tinamou
Montane forest and shrubby tepui slopes at 600–1,800 m on isolated table-mountains in southern Venezuela and adjacent northern Brazil. Restricted range; known from very few locations.
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.
Grey-legged Tinamou
A series of hollow whistles with a slightly husky tone. Calls from dense forest floor cover in tepui foothills. Considered vocally conservative among Crypturellus tinamous.
Geographic Range & Migration
Bartlett's Tinamou
Ranges from southern Mexico through Central America to northern South America. Sedentary in humid lowland forest understory.
Grey-legged Tinamou
Endemic to the humid Andean slopes of western Colombia and northwestern Ecuador. Sedentary in cloud forest from 800 to 2,200 m.
Estado de conservação
Bartlett's Tinamou
Grey-legged 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.
Grey-legged Tinamou
Dark brown upperparts with blackish barring. Diagnostic gray legs distinguish it from red-legged congeners. Throat whitish; breast rufous-brown; belly pale. Crown darker; sexes similar.
About These Birds
Bartlett's Tinamou
Inambu-de-Bartlett (Crypturellus bartletti) — Inambu do sub-bosque de florestas amazônicas do Peru e extremo norte do Brasil. Plumagem acastanhada com padrão distinto. Habita florestas de terra firme densas. Como todos os inambus, é extremamente difícil de observar, detectado principalmente pelo canto suave e melancólico ao amanhecer.
Grey-legged Tinamou
Inambu-do-Duida (Crypturellus duidae) — Inambu raro endémico da região do Monte Duida e tepuis adjacentes na Venezuela e Guiana. Habita florestas de tepui e bordas florestais de altitude. Muito pouco estudado dado o acesso difícil ao habitat. Registros escassos e distribuição muito restrita.