Red-crowned Ant-Tanagers

Red-crowned Ant-Tanagers 

Ant-Tanager Information

Red-crowned Ant-Tanager, Habia rubica

 

The Red-crowned Ant-Tanager, Habia rubica, is a medium-sized passerine bird from tropical America. The genus Habia was long placed with the tanagers (Thraupidae), but it is actually closer to the cardinals (Cardinalidae). Consequently, it can be argued that referring to the members of this genus as ant-tanagers is misleading, but no other common name has gained usage.

 

Description

Red-crowned Ant-Tanagers are 18 cm long and weigh 34 g (male) or 31 g (female).

Adult males are dull reddish brown with a brighter red throat and breast. The black-bordered scarlet crown stripe is raised when the bird is excited. The female is yellowish brown, with a yellow throat and yellow-buff crown stripe.

Red-crowned Ant Tanager

 

Distribution

This bird is a resident breeder from Mexico south to Paraguay and northern Argentina, and on Trinidad. Common in its wide range, it is not considered threatened by the IUCN.

It preferentially occurs in the middle stratum of the forest as well as undergrowth rich in ferns, shrubs and herbs. These birds are found in pairs or family groups. They eat mainly arthropods, but berries are also taken.

In Central America and Trinidad they frequently attend army ant columns, and in the lowland forests of southeastern Brazil they may be a nuclear species of understory mixed-species feeding flocks – though further uphill, e.g. in the Serra de Paranapiacaba, they seem to join such flocks only rarely and prefer to follow the ants on their own. They also follow South American Coatis (Nasua nasua) on their feeding excursions, namely in the dry season. In both cases, they are snatching invertebrate prey startled by the ants or coatis.

 

Calls / Vocalizations

The Red-crowned Ant-tanager is a shy but noisy bird. Its call is a rattle followed by a musical pee-pee-pee.

 

Nesting / Breeding

The shallow cup nest is usually built in a sapling or tree fern near a stream, and the normal clutch is two brown-blotched white eggs. The female incubates the eggs for 13 days to hatching, with about ten days more before the chicks fledge.

 

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