Olivaceous Woodcreeper
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| Olivaceous Woodcreeper | ||||||||||||||||||
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| Sittasomus griseicapillus (Vieillot, 1818) |
The Olivaceous Woodcreeper (Sittasomus griseicapillus) is a passerine bird which breeds from southern Mexico through tropical Central and South America to northern Argentina, and also on Tobago. The species is throughout the Amazon Basin, but is absent from the lowest reaches of the basin, including much of the adjacent Guyanas. It is the only member of the genus Sittasomus, but the taxon includes several vocally and morphologically distinct forms, so this species may be split in the future.
This small woodcreeper is a slender bird, typically 15cm long, and weighing 13g. The head, upper back and underparts are greyish olive, and the wings, tail and lower back are light rufous. The bill is short and thin. The normal call is a fast, high-pitched trill wu-wu-wu-we-we-we-we-ee-ee-ee-ee-we-we-we-we.
The Olivaceous Woodcreeper is a common and widespread bird of forests and other woodlands. The Olivaceous Woodcreeper feeds on insects and spiders. It normally forages on tree trunks or large branches or on the ground, usually alone. However, birds associate with foraging groups of Golden Lion Tamarins (Leontopithecus rosalia) to snatch prey startled by the monkeys[1].
It builds a nest lined with dead leaves in a tree hole, and lays three white eggs.
[edit] Footnotes
- ^ de Mello Beisiegel (2007)
[edit] References
- BirdLife International (2004). Sittasomus griseicapillus. 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
- de Mello Beisiegel, Beatriz (2007): Foraging Association between Coatis (Nasua nasua) and Birds of the Atlantic Forest, Brazil. Biotropica 39(2): 283–285. doi:10.1111/j.1744-7429.2006.00255.x (HTML abstract)
- 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
- Hilty, Steven L. (2003): Birds of Venezuela. Christopher Helm, London. ISBN 0-7136-6418-5
[edit] External links
- Olivaceous Woodcreeper videos on the Internet Bird Collection
- Photo-Medium Res; Article chandra.as.utexas.edu
- Olivaceous Woodcreeper photo gallery VIREO
