Grey-legged Tinamou vs Andean Tinamou
Crypturellus duidae ile kıyaslandığında Nothoprocta pentlandii
Side-by-Side Comparison
| Özellik | Grey-legged Tinamou | Andean Tinamou |
|---|---|---|
| Bilimsel Ad | Crypturellus duidae | Nothoprocta pentlandii |
| Takım | Tinamiformes | Tinamiformes |
| Familya | Tinamidae | Tinamidae |
| Koruma Durumu | Least Concern | Least Concern |
| Uzunluk | — | — |
| Kanat Açıklığı | 32,6 cm (12.8 in) | 29,6 cm (11.7 in) |
| Ağırlık | 429,5 g (15.15 oz) | 316,01666666666665 g (11.15 oz) |
| Beslenme | Ground-gleaner taking seeds, berries, and arthropods in Amazonian forests; invertebrate proportion rises in wet season. | Herbivorous grazer feeding on grasses and aquatic sedges near wetlands; supplements diet with aquatic invertebrates … |
| Kuluçka Büyüklüğü | -- | 5-8 |
| Population Trend | — | — |
Habitat Comparison
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.
Andean Tinamou
Andean valleys, foothills, scrubby slopes, and agricultural land at 1,500–4,000 m from Ecuador through Peru and Bolivia to northwestern Argentina. Tolerates degraded and cultivated areas with scrub remnants.
Song & Call Comparison
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.
Andean Tinamou
A rising 2-note whistle from Andean scrub and grassland. Frequently heard during early morning. Considered a vocal species within its highland habitat.
Geographic Range & Migration
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.
Andean Tinamou
Inhabits forests and edges in a broad arc from Costa Rica to northern Argentina and southeastern Brazil. Largely sedentary.
Koruma Durumu
Grey-legged Tinamou
Andean Tinamou
How to Tell Them Apart
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.
Andean Tinamou
Gray-brown upperparts with blackish streaks and buff shaft-streaks. Pale buff supercilium. Breast spotted brown on buff. Belly whitish. Compact; common across Andean grasslands and scrub.
About These Birds
Grey-legged Tinamou
A poorly known medium-sized tinamou with brown plumage and conspicuously grey legs. Restricted to the tepui region of southern Venezuela and adjacent northern Brazil. Known from very few observations. Forages terrestrially in dense undergrowth of montane forest.
Andean Tinamou
A medium-sized tinamou with brown streaked plumage and pale supercilium. Widespread in Andean foothills and inter-Andean valleys from Ecuador to Argentina. Adaptable and locally common; inhabits a variety of open and scrubby habitats at mid to high altitudes.