Black-faced grassquit
 | This article includes a list of general references, but it lacks sufficient corresponding inline citations. (November 2010) |
| Black-faced grassquit | |
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_male.jpg)
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| male, Jamaica | |
_female.jpg)
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| female, Jamaica | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Thraupidae |
| Genus: | Tiaris |
| Species: | T. bicolor
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| Binomial name | |
| Tiaris bicolor (Linnaeus, 1766)
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| Synonyms | |
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The black-faced grassquit (Tiaris bicolor) is a small bird. It is recognized as a tanager closely related to Darwin's finches. It breeds in the West Indies except Cuba, on Tobago but not Trinidad, and along the northern coasts of Colombia and Venezuela.
Breeding
This is a common bird in long grass or scrub in open or semi-open areas, including roadsides and ricefields. It makes a domed grass nest, lined with finer grasses, and placed low in a bush or on a bank. The typical clutch is two or three whitish eggs blotched with reddish brown. Both sexes build the nest and feed the young.
Description
Adult black-faced grassquits are 10.2 cm long and weigh 10.5 g. They have a short conical black bill with an obvious curve to the culmen. The male is olive green above, paler grey-olive below, and has a black head and breast. Female and immature birds have dull olive-grey upperparts and head, and paler grey underparts becoming whiter on the belly.
Males on the South American mainland have more extensively black underparts, shading to a grey belly.
Diet
The black-faced grassquit feeds mainly on seeds, especially of grasses and weeds. It is often found in small groups, but is solitary at evening roosts.
Call
The male has a display flight in which he flies for short distances, vibrating his wings and giving a buzzing dik-zeezeezee call.
References
- ^ BirdLife International (2012). "Melanospiza bicolor". IUCN Red List of Threatened Species. 2012. Retrieved 26 November 2013.
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- French, 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.
External links
- Black-faced Grassquit videos, photos & sounds on the Internet Bird Collection