Bay-headed Tanager

Bay-headed Tanager

Taxobox
name = Bay-headed Tanager


status = LC | status_system = IUCN3.1
regnum = Animalia
phylum = Chordata
classis = Aves
ordo = Passeriformes
familia = Thraupidae
genus = "Tangara"
species = "T. gyrola"
binomial = "Tangara gyrola"
binomial_authority = (Linnaeus, 1758)

The Bay-headed Tanager, "Tangara gyrola", is a medium-sized passerine bird. This tanager is a resident breeder in Costa Rica, Panama, South America south to Ecuador, Bolivia and southern Brazil, and on Trinidad.

It occurs in forests, particularly in wetter areas. The bulky cup nest is built in a tree and the normal clutch is two brown-blotched white eggs. The female incubates the eggs for 13-14 days to hatching, with another 15-16 days before the chicks fledge. .

Adult Bay-headed Tanagers are 14 cm long and weigh 19.5 g. The nominate race "T. g. gyrola" is mainly green apart from a chestnut head, a blue belly, and a thin gold collar on the hind neck. Sexes are similar, but immatures are duller with chestnut-flecked green heads.

There is considerable plumage variation between the various subspecies, and "T. g.viridissima " of northeast Venezuela and.Trinidad has green underparts concolorous with the rest of the body plumage.

These are social birds which eat mainly fruit, usually swallowed whole. Insects are also taken, mainly from the underside of branchesThe Bay-headed Tanager’s song is a slow "seee, seee, seee, tsou, tsooy".

References

* Database entry includes justification for why this species is of least concern
*cite book
last = ffrench
first = Richard
title = A Guide to the Birds of Trinidad and Tobago
edition = 2nd edition
year = 1991
publisher = Comstock Publishing
isbn = 0-8014-9792-2
*cite book
last = Hilty
first = Steven L
title = Birds of Venezuela
publisher = Christopher Helm
date = 2003
location = London
isbn = 0-7136-6418-5


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