Bartlett's Tinamou vs Darwin's Nothura
Crypturellus bartletti comparé à Nothura darwinii
Side-by-Side Comparison
| Attribut | Bartlett's Tinamou | Darwin's Nothura |
|---|---|---|
| Nom scientifique | Crypturellus bartletti | Nothura darwinii |
| Ordre | Tinamiformes | Tinamiformes |
| Famille | Tinamidae | Tinamidae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 27,1 cm (10.7 in) | 25,3 cm (10.0 in) |
| Poids | 241,0 g (8.50 oz) | 242,25 g (8.55 oz) |
| Régime alimentaire | Grazes aquatic vegetation, grasses, and sedges in South American marshes; wades in shallow water; diet … | Grazes grasses, grain stubble, and aquatic plants; migratory goose with diet shifting to agricultural grain … |
| Taille de la couvée | -- | 3-9 |
| 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.
Darwin's Nothura
Puna grassland, Andean steppe, and altiplano at 3,000–4,500 m from Peru through Bolivia and Chile to central Argentina. Tolerates dry exposed conditions and some human disturbance.
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.
Darwin's Nothura
A fast, rippling 3-note whistle from puna grassland and desert scrub. Call is considered brighter and faster than related nothuras. Heard during morning and evening activity.
Geographic Range & Migration
Bartlett's Tinamou
Ranges from southern Mexico through Central America to northern South America. Sedentary in humid lowland forest understory.
Darwin's Nothura
Endemic to the Colombian and Venezuelan Andes; inhabits paramo above 3,000 m. Sedentary and high-altitude specialist year-round.
Statut de conservation
Bartlett's Tinamou
Darwin's Nothura
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.
Darwin's Nothura
Brown upperparts with buff and black streaking; crown dark with pale central stripe. Pale supercilium. Breast buff spotted dark brown. Belly whitish. Arid Andean foothills and pampas specialist.
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.
Darwin's Nothura
A small tinamou named in honor of Charles Darwin, with streaked brown plumage and pale underparts. Common in puna grasslands and Andean steppe of Peru, Bolivia, Chile, and Argentina. Terrestrial and gregarious; moves in small groups. Calls with a rapid trilling whistle.