White-bellied Chachalaca (Ortalis leucogastra)

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Image of a White-bellied Chachalaca in its natural habitat
Birds Chachalaca

Introduction

The White-bellied Chachalaca (Ortalis leucogastra) is a medium-sized member of the Cracidae family, which also includes guans and curassows. It is a resident bird of the Pacific lowlands of southern Mexico and Central America, where it uses forest, scrub and other habitats with sufficient tree cover. Like other chachalacas, it is highly vocal and usually lives in small social groups.

Physical Description

The White-bellied Chachalaca measures approximately 43–50 centimetres in length and weighs about 439–560 grams. It has brown head, upperparts and breast plumage, contrasting with a dull white belly and pale underparts. The brown tail has whitish tips, which are particularly noticeable when the bird moves or flies.

The species has a relatively small head, long neck, strong legs and a long, broad tail. Bare, dark slate-coloured facial skin surrounds the eye. There is no well-established evidence of pronounced sexual dimorphism, and males and females are generally similar in appearance. Reliable descriptions of distinct juvenile plumage differences are limited.

Range and Habitat

The White-bellied Chachalaca occurs from south-eastern Chiapas in south-western Mexico through southern Guatemala, El Salvador and southern Honduras to north-western Nicaragua. It is most closely associated with the Pacific coastal plain, although it has been recorded at elevations of about 1,500 metres in Guatemala.

Its habitats include swamp forest, wetlands with dense scrub, dry forest, mangroves, pasture edges and other partly modified landscapes. It may also occur in shade-coffee areas and woodland mosaics where adequate cover and fruiting vegetation remain. The species is regarded as resident rather than migratory, and the recognised species is monotypic.

Behaviour and Diet

White-bellied Chachalacas are social birds that commonly forage in groups of around six or more individuals. They usually remain several metres above the ground in trees and dense vegetation, although they may descend when conditions require it.

Their diet consists mainly of berries and other fruits, supplemented by leaves, buds and flowers. Small invertebrates are also taken. By eating fruit and passing seeds through their digestive system, chachalacas can contribute to seed dispersal within forest and scrub habitats.

The species is particularly conspicuous because of its loud, rough, chattering calls. The principal call has been described as a gruff, four-syllable series, although the exact sound and rhythm may vary between individuals and localities.

Breeding has been recorded from March to July. The nest is a loose platform of sticks lined with leaves, placed in a tree. Clutches generally contain two or three eggs, and the female is reported to undertake incubation. Detailed information on chick development and parental care remains limited.

Identification Tips

Look for the following combination of features:

  • Brown head, back and breast with a contrasting dull white belly.
  • Long brown tail with whitish tips.
  • Dark slate-coloured bare skin around the eye.
  • Long-necked, long-tailed shape and deliberate movement through trees.
  • Loud, coarse chachalaca calls, often given by several birds in a group.

The pale belly is the most useful plumage character in the field. The species can be confused with other brown chachalacas, so location is important. In the Pacific lowlands of southern Mexico and northern Central America, the combination of a pale belly, brown upperparts and whitish tail tips helps distinguish it from species with more extensively dark or differently coloured underparts.

Conservation Status

The White-bellied Chachalaca is currently assessed as Least Concern on the IUCN Red List. It is described as common to locally abundant in parts of its range, although it is less common in Honduras and Nicaragua. A global population estimate is not provided here because a reliable figure is unavailable.

The principal concerns are habitat loss and fragmentation caused by agricultural expansion, pasture and field-crop development, and other land-use changes. The species is also hunted for food in parts of its range. Some populations may tolerate or benefit from certain wooded agricultural systems, including shade coffee, but this does not remove the importance of protecting remaining swamp forest, dry forest, mangroves and dense scrub.

Conservation measures should include the protection and restoration of suitable forest and wetland habitats, maintenance of habitat connections across agricultural landscapes, and sustainable management of hunting. Protected areas and locally managed habitat can provide important safeguards, particularly along the Pacific coastal plain.

Frequently Asked Questions

Where does the White-bellied Chachalaca live?

It occurs from south-eastern Chiapas in Mexico through Guatemala, El Salvador and Honduras to north-western Nicaragua. It is most strongly associated with the Pacific side of the region.

What habitat does the White-bellied Chachalaca prefer?

It uses swamp forest, dense wetland scrub, dry forest, mangroves, pasture edges and some wooded agricultural areas, including shade-coffee landscapes.

What does the White-bellied Chachalaca eat?

Its diet is mainly fruit and berries, with additional leaves, buds, flowers and occasional small invertebrates.

How can the species be identified?

The most useful features are its brown head and upperparts, dull white belly, brown tail with whitish tips and dark bare skin around the eye. Its loud, rough call is also distinctive.

Is the White-bellied Chachalaca endangered?

No. It is currently classified as Least Concern by the IUCN, although habitat loss, fragmentation and hunting remain local threats.

Does the White-bellied Chachalaca migrate?

It is generally regarded as a resident species. It remains within its regional range rather than undertaking a regular long-distance migration.

References

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