Nahan's Partridge vs Stone Partridge
Ptilopachus nahani в сравнении с Ptilopachus petrosus
Side-by-Side Comparison
| Характеристика | Nahan's Partridge | Stone Partridge |
|---|---|---|
| Научное название | Ptilopachus nahani | Ptilopachus petrosus |
| Отряд | Galliformes | Galliformes |
| Семейство | Odontophoridae | Odontophoridae |
| Охранный статус | Vulnerable | Least Concern |
| Длина | — | — |
| Размах крыльев | 26,8 cm (10.6 in) | 23,4 cm (9.2 in) |
| Масса | 278,5 g (9.82 oz) | 192,5 g (6.79 oz) |
| Питание | Forages in Ugandan and Congolese rainforest understorey for invertebrates and seeds. Little-studied; diet poorly documented. | Forages on rocky hillsides in West and Central Africa for seeds, invertebrates, and small plant … |
| Размер кладки | 4 | 4-6 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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.
Stone Partridge
Emits a clear, whistled peet-peet call and soft clucking series. The repeated, clear whistle is far-carrying and melodious for a partridge; heard on West African rocky outcrops.
Geographic Range & Migration
Nahan's Partridge
Resident in the rainforests of Uganda and adjacent Democratic Republic of Congo. Found in lowland and foothill rainforest. Poorly known.
Stone Partridge
Resident in rocky hillsides and savanna of West Africa from Senegal east to Cameroon and Chad. Found in rocky terrain with grass and bushes.
Охранный статус
Nahan's Partridge
Stone Partridge
How to Tell Them Apart
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.
Stone Partridge
Dark brown above, finely vermiculated with buff; rufous tail often cocked; underparts pale buff-brown with dark scaling; bare red eye-ring; short rounded wings; sexes similar.
About These Birds
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.
Stone Partridge
A small partridge (~190 g) of family Odontophoridae, with brown-barred plumage and a short rounded tail often cocked upright. Inhabits rocky hillsides, inselbergs, and stony savanna in sub-Saharan West and Central Africa. Forages for seeds and insects on the ground. Least Concern; an unusual African member of the New World quail family with a predominantly terrestrial lifestyle.