Andean Tinamou vs Grey Tinamou
Nothoprocta pentlandii comparado com Tinamus tao
Side-by-Side Comparison
| Atributo | Andean Tinamou | Grey Tinamou |
|---|---|---|
| Nome científico | Nothoprocta pentlandii | Tinamus tao |
| Ordem | Tinamiformes | Tinamiformes |
| Família | Tinamidae | Tinamidae |
| Estado de conservação | Least Concern | Vulnerable |
| Comprimento | — | — |
| Envergadura | 29,6 cm (11.7 in) | 55,7 cm (21.9 in) |
| Peso | 316,01666666666665 g (11.15 oz) | 1674,5 g (59.07 oz) |
| Dieta | Herbivorous grazer feeding on grasses and aquatic sedges near wetlands; supplements diet with aquatic invertebrates … | Herbivorous tinamou feeding on seeds, fruits, and tender leaves in Andean foothills; occasionally takes insects … |
| Tamanho da postura | 5-8 | 2-9 |
| Population Trend | — | — |
Habitat Comparison
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.
Grey Tinamou
Tropical and subtropical humid montane forest from Venezuela and Colombia south to Bolivia and northern Brazil at 200–1,800 m. Favors dense undergrowth near forest streams. Nests on the ground among leaf litter.
Song & Call Comparison
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.
Grey Tinamou
A series of haunting, flute-like hollow whistles 'whooo-wooo' delivered at dawn and dusk from within humid forest. Mournful, far-carrying quality typical of large forest tinamous.
Geographic Range & Migration
Andean Tinamou
Inhabits forests and edges in a broad arc from Costa Rica to northern Argentina and southeastern Brazil. Largely sedentary.
Grey Tinamou
Found in open habitats across South America from Colombia and Venezuela to Chile and Argentina. Sedentary; some local altitudinal shifts.
Estado de conservação
Andean Tinamou
Grey Tinamou
How to Tell Them Apart
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.
Grey Tinamou
Uniform dark slate-gray upperparts finely vermiculated with black. Throat whitish; breast pale gray. Flanks barred with dark brown. Sexes similar; cryptic plumage suits humid forest floor.
About These Birds
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.
Grey Tinamou
A large tinamou with uniform grey-brown plumage, barred flanks, and a long pale bill. Terrestrial and cryptic, moving silently through undergrowth. Found in Andean foothills and montane forests. Males incubate brilliantly colored turquoise-green eggs alone. Often detected by its haunting flute-like call at dawn.