Bearded Wood-partridge vs Marbled Wood-quail
Dendrortyx barbatus 比較対象 Odontophorus gujanensis
Side-by-Side Comparison
| 属性 | Bearded Wood-partridge | Marbled Wood-quail |
|---|---|---|
| 学名 | Dendrortyx barbatus | Odontophorus gujanensis |
| 目 | Galliformes | Galliformes |
| 科 | Odontophoridae | Odontophoridae |
| 保全状況 | Vulnerable | Least Concern |
| 体長 | — | — |
| 翼開長 | 30.1 cm (11.9 in) | 28.7 cm (11.3 in) |
| 体重 | 407.5 g (14.37 oz) | 318.25 g (11.23 oz) |
| 食性 | Forages in Mexican cloud forests for seeds, invertebrates, and small fruits. Critically endangered; diet poorly … | Forages in Amazonian and Guianan forest floor for seeds, invertebrates, and small fruits. Scratches leaf … |
| 一腹卵数 | 4-8 | 4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Bearded Wood-partridge
Emits a loud, resonant hooting call similar to other Dendrortyx wood-partridges. The owl-like hooting carries through cloud forest; calls are poorly differentiated from Long-tailed.
Marbled Wood-quail
Duetting pairs produce loud, resonant 'co-PO-co' calls from forest floor; far-carrying and owl-like in quality. Dawn chorus pairs call in rapid antiphonal sequence.
Geographic Range & Migration
Bearded Wood-partridge
Endemic to cloud forest in the Sierra de Juárez, Oaxaca, Mexico, and adjacent Veracruz at 1,500-2,500 m. Rarely observed.
Marbled Wood-quail
Resident from Panama and Venezuela south to Bolivia and Amazonian Brazil. Found in lowland and foothill rainforest and forest edges.
保全状況
Bearded Wood-partridge
Marbled Wood-quail
How to Tell Them Apart
Bearded Wood-partridge
Rufous-brown above; grey head with white supercilium; distinct black-and-white beard streaks on lower throat and chin; breast streaked black and white; flanks rufous-brown; belly pale buff.
Marbled Wood-quail
Rich rufous-brown above with intricate black-and-buff marbling; rufous-orange bare eye-ring; underparts buffy-brown with fine black barring; short spiny crest; sexes similar.
About These Birds
Bearded Wood-partridge
A medium-sized New World quail (~405 g) of family Odontophoridae, with a distinct facial streak resembling a beard. Endemic to cloud forest in a restricted area of the Sierra Madre Oriental of eastern Mexico. Forages on the ground for seeds and invertebrates. Vulnerable; critically restricted range in highly fragmented Mexican highland forests, with ongoing habitat loss from agricultural expansion.
Marbled Wood-quail
A medium-sized New World quail (~320 g) of family Odontophoridae, with intricately marbled brown plumage and a small crest. Inhabits humid lowland and foothill forests across northern and central South America from Colombia to Brazil. Forages on the forest floor in pairs or small groups for seeds and invertebrates. Least Concern; widespread in Amazonian and Guianan forests.