White-necked Thrush
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| Turdus albicollis Vieillot, 1816 |
The White-necked Thrush, Turdus albicollis, is a resident breeding songbird in South America from Colombia and Venezuela south to Brazil and northern Argentina, and on Trinidad and Tobago. There are seven subspecies, differing mainly in the details of the plumage.
This thrush is 8.3-9.4 in (21-24 cm) long and weighs 1.8 oz (50 g). It is dark brown above and grey below, becoming rufous on the flanks. The head and face are darker than the back, and there is a thin yellow eye ring. The throat is white, heavily streaked with black, and there is a white crescent on the upper breast, the feature that gives rise to this thrush’s English and scientific names. The lower belly is whitish. Sexes are similar, but young birds are duller, flecked with orange above and spotted with dark brown below. The song is a musical fluted too-ee-o, too-ee-o, and it also gives typical thrush cluck and yup calls, and a youp which sound like a human yell.
The habitat of this large thrush is rainforest and other closed woodland. The White-necked Thrush mainly feeds on or near the ground on invertebrates, and will follow army ant swarms. It also takes some fruit and berries. It is a shy species, heard more than seen, but on Trinidad it may be less retiring than in most of its range, sometimes being seen on roadsides early in the day.
The nest is a lined cup of twigs low (a few meters at most[1]) in a tree or bush. Two to three reddish-blotched green-blue eggs are laid and incubated by the female alone for 12-13 days.
[edit] References
- BirdLife International (2004). Turdus albicollis. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 12 May 2006. Database entry includes justification for why this species is of least concern
- Clement, Peter & Hathaway, Ren (2000): Thrushes. Christopher Helm, London. ISBN 0-7136-3940-7
- ffrench, Richard; O'Neill, John Patton & Eckelberry, Don R. (1991): A guide to the birds of Trinidad and Tobago (2nd edition). Comstock Publishing, Ithaca, N.Y.. ISBN 0-8014-9792-2
- Greeney, Harold F.; Gelis, Rudolphe A. & White, Richard (2004): Notes on breeding birds from an Ecuadorian lowland forest. Bull. B.O.C. 124(1): 28-37. PDF fulltext
- Hilty, Steven L. (2003): Birds of Venezuela. Christopher Helm, London. ISBN 0-7136-6418-5
[edit] External links
- Turdus albicollis, "White-necked Robin" videos on the Internet Bird Collection
- White-necked Thrush photo gallery VIREO Photo-High Res
- Photo-High Res; Article & synopsis arthurgrosset
- Photo-High Res; Article oiseaux
