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GALLERIES > BIRDS > GALLIFORMES > CRACIDAE > PLAIN CHACHALACA [Ortalis vetula]

Plain Chachalaca Picture
 
 

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SPECIES INFO

The Plain Chachalaca, Ortalis vetula is a large bird in the Cracidae family. It breeds in tropical and subtropical environments from the chaparral thickets along the Rio Grande River in southernmost Texas, USA , (named locally the 'Rio Grande Valley'), to northernmost Costa Rica.

In Central America, this species occurs in the Pacific lowlands from Chiapas, Mexico to northern Nicaragua and as a separate population in Costa Rica, where its range is separated by a short distance, as a disjunct population.

Physical description

The Plain Chachalaca is 56 cm (22") long and weighs 650 g (1 lb 7 oz). It is long-necked with a small head and bare throat. Adults have a greyish head and neck with a dull olive-brown body and wings. The underbelly is pale to ochraceous and the tail is blackish with green gloss and buffy-white tip. The iris is brown and bill is black; orbital skin and the feet are dull grey.

Behavior

This species frequents tropical dry and moist forest, especially where interspersed with scrub and savanna. Usually found in groups of up to 15 birds, the Plain Chachalaca is furtive and wary and prefers to escape from danger by running swiftly on the ground or leaping and gliding through brushy tangles.

The Plain Chachalaca feeds in trees or on the ground on fruit (figs, palms, Sapotaceae), seeds, leaves, and flowers.

The call is a loud, raucous RAW-pa-haw or cha-cha-LAW-ka, often by several birds in a rhythmical chorus, especially in early morning and evening, usually from well up in trees. It also produces peeping whistles and cackles.

Nest

The Plain Chachalaca typically breeds in the early wet season. The nest is a shallow saucer of twigs and plant fibers, lined with leaves, in thick vegetation. The clutch is 2-4 rough-shelled white to cream eggs.

Population and threats

The Plain Chachalaca population is 500,000-5,000,000 (2006 IUCN Red List). It is not threatened. The subspecies from Útila Island, O. v. deschauenseei, has sometimes been listed as extinct, but recent surveys have confirmed that it still survives.

Taxonomy

The isolated Costa Rica population is sometimes assigned to the species White-bellied Chachalaca, Ortalis leucogastra





                                     




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plain_chachalaca's Range Map Click here to see the Plain Chachalaca's range map!
Listen to the Plain Chachalaca Call:



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