Great Potoo vs White-winged Potoo
Nyctibius grandis verglichen mit Nyctibius leucopterus
Side-by-Side Comparison
| Merkmal | Great Potoo | White-winged Potoo |
|---|---|---|
| Wissenschaftlicher Name | Nyctibius grandis | Nyctibius leucopterus |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Nyctibiidae | Nyctibiidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | — |
| Flügelspannweite | 74,8 cm (29.4 in) | 36,8 cm (14.5 in) |
| Gewicht | 492,0 g (17.35 oz) | 87,5 g (3.09 oz) |
| Ernährung | Nocturnal insectivore and occasional small vertebrate predator; hunts from perch by sight, targeting large moths … | Nocturnal aerial insectivore; launches from a branch perch to catch large flying insects including hawk-moths … |
| Gelegegröße | 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
White-winged Potoo
High, thin whistled wail; lighter and airier than other potoos; calls at night from Amazonian forest; descending mournful phrase; smaller size reflected in higher pitch
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.
White-winged Potoo
Found in the eastern Amazon basin of Brazil and adjacent Suriname. Rare and restricted to upland forest in the Guiana Shield. Poorly known.
Erhaltungsstatus
Great Potoo
White-winged 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.
White-winged Potoo
Small potoo; brown upperparts with black streaks and buff mottling; distinctive white or pale buff wing coverts creating paler wing panel; underparts pale buff with dark streaks; smaller and paler-winged …
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.
White-winged Potoo
A small potoo (24-27 cm) recently described from the Atlantic Forest of eastern Brazil. White patches on wing coverts distinguish it from other potoos. Nocturnal insectivore of humid lowland forest. Classified as Near Threatened due to severe Atlantic Forest fragmentation.