Chestnut Wood-quail vs Nahan's Partridge
Odontophorus hyperythrus в сравнении с Ptilopachus nahani
Side-by-Side Comparison
| Характеристика | Chestnut Wood-quail | Nahan's Partridge |
|---|---|---|
| Научное название | Odontophorus hyperythrus | Ptilopachus nahani |
| Отряд | Galliformes | Galliformes |
| Семейство | Odontophoridae | Odontophoridae |
| Охранный статус | Least Concern | Vulnerable |
| Длина | — | — |
| Размах крыльев | 27,5 cm (10.8 in) | 26,8 cm (10.6 in) |
| Масса | 340,0 g (11.99 oz) | 278,5 g (9.82 oz) |
| Питание | Eats seeds, invertebrates, and small fruits on Colombian Andean forest floor. Scratches leaf litter in … | Forages in Ugandan and Congolese rainforest understorey for invertebrates and seeds. Little-studied; diet poorly documented. |
| Размер кладки | 4-5 | 4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Chestnut Wood-quail
Loud, rhythmic 'po-PO-co' call repeated in series; rich hollow timbre audible 300+ meters. Contact between birds is a soft low grunt; group roost calls are continuous murmuring.
Nahan's Partridge
Produces a soft, repeated whistled call and quiet clucking series. Calls are poorly documented; this Vulnerable forest partridge is secretive on Uganda's forest floor.
Geographic Range & Migration
Chestnut Wood-quail
Endemic to the western Andes of Colombia at 1,300-2,400 m. Found in humid montane forest. Vulnerable.
Nahan's Partridge
Resident in the rainforests of Uganda and adjacent Democratic Republic of Congo. Found in lowland and foothill rainforest. Poorly known.
Охранный статус
Chestnut Wood-quail
Nahan's Partridge
How to Tell Them Apart
Chestnut Wood-quail
Entirely rich chestnut-rufous below from throat to vent; upperparts dark brown finely streaked buff; bare reddish eye-ring; small crest; deep chestnut underparts distinguish it from congeners.
Nahan's Partridge
Dark brown overall, finely barred and streaked buff; underparts paler brown with buff streaking; bare reddish eye-ring; tail short and rufous; sexes similar. Forest floor cryptic coloration.
About These Birds
Chestnut Wood-quail
A medium-sized New World quail (~340 g) of family Odontophoridae, with rich chestnut underparts and brownish upperparts. Endemic to the western and central Andes of Colombia at 1,200–2,500 m elevation. Inhabits humid montane cloud forest. Forages on the forest floor for seeds and invertebrates in pairs or small groups. Least Concern; restricted Colombian endemic but not currently threatened.
Nahan's Partridge
A small partridge (~280 g) of family Odontophoridae, dark reddish-brown with black barring. Endemic to lowland primary rainforest in Uganda and the Democratic Republic of Congo. Highly terrestrial, foraging on the forest floor for seeds, berries, and invertebrates. Vulnerable; requires intact primary forest and is threatened by widespread logging and agricultural conversion in Central Africa.