Alagoas Curassow vs White-browed Guan

Mitu mitu compared with Penelope jacucaca

Side-by-Side Comparison

Attribute Alagoas Curassow White-browed Guan
Scientific Name Mitu mitu Penelope jacucaca
Order Galliformes Galliformes
Family Cracidae Cracidae
Conservation Status Extinct in the Wild Vulnerable
Length — —
Wingspan 79.2 cm (31.2 in) 56.1 cm (22.1 in)
Weight 2852.5 g (100.62 oz) 1438.0 g (50.72 oz)
Diet Frugivorous; eats fruits, seeds, and invertebrates in the ground and forest understorey. Extinct in wild; … Eats fruits, berries, seeds, and leaves in Brazilian caatinga dry forests. Vulnerable; forages in canopy …
Clutch Size 2-3 2-3
Population Trend — —

Habitat Comparison

Shared Habitats

None

Alagoas Curassow only

White-browed Guan only

Song & Call Comparison

Alagoas Curassow

Song

Extirpated from wild (EW). Calls documented from captive birds: a deep, resonant booming similar to Razor-billed Curassow; flocks give low, guttural clucking contact calls.

White-browed Guan

Song

Emits a loud, resonant honking cackle and wing-whirring display. Calls carry through Caatinga and dry Brazilian forest; one of the more arid-adapted Penelope guans.

Geographic Range & Migration

Alagoas Curassow

Endemic to northeastern Brazil in Alagoas. Extinct in the wild; survives only in captivity. Last wild record was 1980s.

White-browed Guan

Endemic to the caatinga of northeastern Brazil in Pernambuco, Alagoas, Bahia, and Piauí. Found in dry scrubland.

Conservation Status

Extinct in the Wild

Alagoas Curassow

Vulnerable

White-browed Guan

How to Tell Them Apart

Alagoas Curassow

Plumage

Glossy black body; white lower belly and undertail; massive compressed red bill with orange-yellow tip; no head ornamentation. Now extinct in wild; the large red razor bill was its most …

White-browed Guan

Plumage

Dark brownish-black; distinctive broad white supercilium above bare red facial skin; throat wattled red; breast finely streaked white; lower belly rufous-chestnut; tail long and dark.

About These Birds

Alagoas Curassow

A large cracid (~2.9 kg) of family Cracidae, with glossy black plumage and a distinctive red knobbed bill. Extinct in the Wild; the last wild individuals disappeared from Alagoas, Brazil by the 1980s due to deforestation of the Atlantic Forest. A captive population survives in Brazilian zoos, with reintroduction programs underway. One of the most critically imperiled birds globally.

White-browed Guan

A large cracid (~1.4 kg) of family Cracidae, with a prominent white supercilium. Endemic to the caatinga scrublands and dry forests of northeastern Brazil. Inhabits dry deciduous forests, gallery forest, and scrubby vegetation. Arboreal frugivore. Vulnerable; one of the few large cracids adapted to Brazil's semi-arid caatinga, threatened by habitat loss and hunting.

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