Golden-crowned Warbler

Golden-crowned Warbler

Taxobox
name = Golden-crowned Warbler
status = LC | status_system = IUCN3.1


regnum = Animalia
phylum = Chordata
classis = Aves
ordo = Passeriformes
familia = Parulidae
genus = "Basileuterus"
species = "B. culicivorus"
binomial = "Basileuterus culicivorus"
binomial_authority = (Deppe, 1830)

The Golden-crowned Warbler, "Basileuterus culicivorus", is a small New World warbler. It breeds from Mexico and south through Central America to northeastern Argentina and Uruguay, and on Trinidad.

It is a species mainly of lowland forests, which lays two to four rufous-spotted white eggs in a domed nest in a bank, often by a forest path, or under leaves on the forest floor. Parent birds will feign injury to distract potential nest predators.

The Golden-crowned Warbler is 12.7 cm long and weighs 10g. It has grey-green upperparts and bright yellow underparts. The head is grey with a black-bordered yellow crown stripe, a yellow supercilium and a black eyestripe.

Sexes are similar, but the immature Golden-crowned Warbler is duller, browner, and lacks the head pattern other than the eyestripe.

Golden-crowned Warbler has 13 geographical races, which fall into three groups. The Central American "culicivorus group" ("Stripe-crowned Warbler") is essentially as described above, the southwestern "cabanisi" group ("Cabanis’s Warbler") has grey upperparts and a white supercilium, and the "aureocapillus" group ("Golden-crowned Warbler") of the southeast has a white supercilum and orange-rufous crown stripe. The three groups are sometimes considered to be different species.

These birds feed on insects and spiders. The song is a high thin "pit-seet-seet-seet-seet", and the call is a sharp "tsip".

References

* Database entry includes justification for why this species is of least concern.
* "New World Warblers" by Curson, Quinn and Beadle, ISBN 0-7136-3932-6
*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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