Golden-crowned warbler

The golden-crowned warbler (Basileuterus culicivorus) is a small New World warbler.

Golden-crowned warbler
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Class: Aves
Order: Passeriformes
Family: Parulidae
Genus: Basileuterus
Species:
B. culicivorus
Binomial name
Basileuterus culicivorus
(Deppe, 1830)
Range of B. culicivorus

Distribution and habitat

It breeds from Mexico and south through Central America to northeastern Argentina and Uruguay, and on Trinidad. It is mainly a species of lowland forests.

Description

The golden-crowned warbler is 12.7 cm (5.0 in) long and weighs 10 g (0.35 oz). It has grey-green upperparts and bright yellow underparts. The head is grey with a black-bordered yellow crown stripe, a yellow or white 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.

Taxonomy

Golden-crowned warbler has 13 geographical races, which fall into three groups. The Central American culicivorus group (known as the stripe-crowned warbler) is essentially as described above, the southwestern cabanisi group (known as Cabanis's warbler) has grey upperparts and a white supercilium, and the aureocapillus group (known as the golden-crowned warbler) of the southeast, which has a white supercilium and orange-rufous crown stripe.[2] The three groups are sometimes considered to be different species.

Behaviour

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. It 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.

References
  1. BirdLife International (2020). "Basileuterus culicivorus". IUCN Red List of Threatened Species. 2020: e.T103801509A139147079. doi:10.2305/IUCN.UK.2020-3.RLTS.T103801509A139147079.en. Retrieved 11 November 2021.
  2. Phelps, Justin; Contreras-González, A.M.; Rodríguez-Flores, C.; Soberanes-González, C.; Arizmendi, M.C.; Jaramillo, Alvaro (2012). Schulenberg, T.S. (ed.). "Identification – Golden-crowned Warbler (Basileuterus culicivorus)". Neotropical Birds Online. Ithaca: Cornell Lab of Ornithology. Retrieved 12 July 2014.
  • Curson, Jon; Beadle, David; Quinn, David (1994). New World Warblers. Houghton Mifflin Harcourt. ISBN 0-7136-3932-6.
  • ffrench, Richard (1991). A Guide to the Birds of Trinidad and Tobago (2nd ed.). Comstock Publishing. ISBN 0-8014-9792-2.
  • Hilty, Steven L (2003). Birds of Venezuela. London: Christopher Helm. ISBN 0-7136-6418-5.
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