Great Potoo vs Andean Potoo
Nyctibius grandis в сравнении с Nyctibius maculosus
Side-by-Side Comparison
| Характеристика | Great Potoo | Andean Potoo |
|---|---|---|
| Научное название | Nyctibius grandis | Nyctibius maculosus |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Nyctibiidae | Nyctibiidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 74,8 cm (29.4 in) | 54,2 cm (21.3 in) |
| Масса | 492,0 g (17.35 oz) | 174,0 g (6.14 oz) |
| Питание | Nocturnal insectivore and occasional small vertebrate predator; hunts from perch by sight, targeting large moths … | Perch-hunting nocturnal insectivore targeting large moths, beetles, and occasional bats in extended sallying flights from … |
| Размер кладки | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Great Potoo
Loud, haunting 'BWAAAOW'; booming wail; very large bird produces deep, resonant, mournful cry; carries far through tropical forest at night; deeply unsettling sound
Andean Potoo
Mournful wailing whistle; similar to Common Potoo but calls from Andean forest at higher elevations; slightly slower and lower-pitched; haunting descending phrase
Geographic Range & Migration
Great Potoo
Found from Mexico and Trinidad south through Central America and South America to Argentina. Resident in forest edge and woodland up to 1,500 m.
Andean Potoo
Found in the Andes from Venezuela and Colombia south to Bolivia at 1,500–3,400 m. Resident in montane cloud forest and forest edge. Uncommon.
Охранный статус
Great Potoo
Andean Potoo
How to Tell Them Apart
Great Potoo
Predominantly greyish-white with intricate black and brown vermiculations and streaks; underparts paler with fine dark freckling; large orange-yellow eyes; mimics broken branch when perched upright; largest potoo species.
Andean Potoo
Dark brown upperparts with bold black and buff spotting forming mottled pattern; underparts brown with buff and white barring; more heavily spotted above than Common Potoo; Andean montane habitat reflected …
About These Birds
Great Potoo
The largest potoo (48-60 cm) with enormous eyes and a massive gape. Pale grey-brown plumage with bold streaks and vermiculations. Found in humid forests from Mexico to Brazil. Nocturnal insectivore with an extraordinary, deeply booming growling call. Perches upright on branches by day.
Andean Potoo
A medium-sized potoo (33-38 cm) of Andean cloud forests from Venezuela to Bolivia, at elevations of 1,000-3,000 m. Darker plumage than Common Potoo with bolder markings. Nocturnal insectivore. A poorly known montane species; limited ecological information available.