Crested Bobwhite vs Nahan's Partridge
Colinus cristatus so với Ptilopachus nahani
Side-by-Side Comparison
| Thuộc Tính | Crested Bobwhite | Nahan's Partridge |
|---|---|---|
| Tên Khoa Học | Colinus cristatus | Ptilopachus nahani |
| Bộ | Galliformes | Galliformes |
| Họ | Odontophoridae | Odontophoridae |
| Tình Trạng Bảo Tồn | Least Concern | Vulnerable |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 20,0 cm (7.9 in) | 26,8 cm (10.6 in) |
| Khối Lượng | 132,5 g (4.67 oz) | 278,5 g (9.82 oz) |
| Chế Độ Ăn | Omnivorous; eats seeds, berries, and insects in South American grasslands, scrub, and forest edges. Forages … | Forages in Ugandan and Congolese rainforest understorey for invertebrates and seeds. Little-studied; diet poorly documented. |
| Số Trứng | 8-15 | 4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Crested Bobwhite
Whistled ascending 'whiit-wheee' repeated steadily; crest raised during calling bouts. Contact between covey members is a series of low, liquid clucking notes with nasal quality.
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
Crested Bobwhite
Resident from Panama south through Colombia and Venezuela to the Guianas. Found in open grassland, savanna, and brushy areas.
Nahan's Partridge
Resident in the rainforests of Uganda and adjacent Democratic Republic of Congo. Found in lowland and foothill rainforest. Poorly known.
Tình Trạng Bảo Tồn
Crested Bobwhite
Nahan's Partridge
How to Tell Them Apart
Crested Bobwhite
Male has bushy rufous crest, white supercilium, black-streaked white face and throat, rufous-brown back, and buff underparts spotted black. Female is buff-brown with streaked body and smaller crest.
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
Crested Bobwhite
A small New World quail (~130 g) of family Odontophoridae, males with a shaggy brown-white crest. Inhabits open savanna, grassland, scrubland, and agricultural areas in Central America and northern South America. Forages in coveys for seeds and invertebrates on the ground. Least Concern; one of the most widespread bobwhite species, tolerant of human-modified landscapes.
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.