Tacarcuna Wood-quail vs Nahan's Partridge
Odontophorus dialeucos compared with Ptilopachus nahani
Side-by-Side Comparison
| Attribute | Tacarcuna Wood-quail | Nahan's Partridge |
|---|---|---|
| Scientific Name | Odontophorus dialeucos | Ptilopachus nahani |
| Order | Galliformes | Galliformes |
| Family | Odontophoridae | Odontophoridae |
| Conservation Status | Least Concern | Vulnerable |
| Length | — | — |
| Wingspan | 25.2 cm (9.9 in) | 26.8 cm (10.6 in) |
| Weight | 273.5 g (9.65 oz) | 278.5 g (9.82 oz) |
| Diet | Forages on forest floor in Panama and Colombia for seeds and invertebrates. Critically endangered; diet … | Forages in Ugandan and Congolese rainforest understorey for invertebrates and seeds. Little-studied; diet poorly documented. |
| Clutch Size | -- | 4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Tacarcuna Wood-quail
Series of hollow, resonant 'qua-WHI-co' notes in alternating duet; rarely recorded. Song slightly higher pitched than related species. Alarm is a muted explosive chip.
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
Tacarcuna Wood-quail
Endemic to the Tacarcuna massif on the Panama-Colombia border at 900-1,700 m. Found in humid montane forest. Poorly known.
Nahan's Partridge
Resident in the rainforests of Uganda and adjacent Democratic Republic of Congo. Found in lowland and foothill rainforest. Poorly known.
Conservation Status
Tacarcuna Wood-quail
Nahan's Partridge
How to Tell Them Apart
Tacarcuna Wood-quail
Dark brown above, finely streaked buff; throat and chest white contrasting with dark flanks and back; bare reddish eye-ring; white on throat is notably clean and extensive compared to related …
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
Tacarcuna Wood-quail
A medium-sized New World quail (~275 g) of family Odontophoridae, with a distinctive pale supercilium against dark plumage. Endemic to the Tacarcuna massif on the Panama-Colombia border. Inhabits humid montane forest at elevations above 1,000 m. Forages on the forest floor for seeds and invertebrates. Least Concern; very restricted range but protected by remote mountainous terrain.
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.