Band-tailed Guan vs Spix's Guan
Penelope argyrotis so với Penelope jacquacu
Side-by-Side Comparison
| Thuộc Tính | Band-tailed Guan | Spix's Guan |
|---|---|---|
| Tên Khoa Học | Penelope argyrotis | Penelope jacquacu |
| Bộ | Galliformes | Galliformes |
| Họ | Cracidae | Cracidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 52,8 cm (20.8 in) | 59,3 cm (23.3 in) |
| Khối Lượng | 798,0 g (28.15 oz) | 1469,5 g (51.84 oz) |
| Chế Độ Ăn | Frugivorous; eats fruits, berries, leaves, flowers, and buds in Andean forests of Venezuela and Colombia. … | Frugivorous; eats fruits, berries, seeds, and leaves in Amazonian lowland forests. Forages in canopy and … |
| Số Trứng | -- | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Band-tailed Guan
Produces a loud, honking cackle and resonant wing-whirring in display flights. The deep, carrying honk and wing-whirr display is characteristic of this Andean Penelope guan.
Spix's Guan
Produces a loud, resonant honking cackle; wing-whirring display is vigorous. Calls are deeper and louder than smaller guans; echoes through Amazonian terra firme canopy.
Geographic Range & Migration
Band-tailed Guan
Resident in the Andes and mountains of Colombia and Venezuela from 1,000-2,400 m. Found in humid montane forest.
Spix's Guan
Resident in the Amazon Basin from Colombia and Venezuela south to Bolivia and Brazil. Found in lowland rainforest, especially along rivers.
Tình Trạng Bảo Tồn
Band-tailed Guan
Spix's Guan
How to Tell Them Apart
Band-tailed Guan
Brownish-black above with fine white streaking on neck and chest; bare red facial skin; lower underparts chestnut; tail broad with distinctive pale grey subterminal band.
Spix's Guan
Predominantly dark olive-brown; bare reddish throat wattle; neck and breast streaked white; lower belly and flanks rufous; wing coverts with fine pale edging; tail long, dark brown.
About These Birds
Band-tailed Guan
A medium-sized cracid (~800 g) of family Cracidae, with a distinctive pale-tipped tail band. Inhabits montane humid forests in the Sierra Nevada de Santa Marta and Andes of Colombia and Venezuela. Arboreal, feeding on fruits, seeds, and buds in the canopy. Least Concern; restricted to Andean cloud forest but common within its range and tolerates some forest disturbance.
Spix's Guan
A large cracid (~1.5 kg) of family Cracidae, with olive-brown plumage and a red wattle. Inhabits lowland tropical rainforests across Amazonia in Brazil, Peru, Ecuador, Colombia, Bolivia, and Venezuela. Arboreal, feeding heavily on fruits, seeds, and leaves in the canopy. Least Concern; widespread and relatively common in undisturbed Amazonian forest.