Buff-throated woodcreeper
| Buff-throated woodcreeper | |
|---|---|
 |
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| X. guttatus in Mato Grosso. | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Furnariidae |
| Genus: | Xiphorhynchus |
| Species: | X. guttatus |
| Binomial name | |
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Xiphorhynchus guttatus (Lichtenstein, 1820) |
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| Subspecies | |
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see text |
|
| Synonyms | |
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Dendrocolaptes guttatus |
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see text
Dendrocolaptes guttatus
Lichtenstein, 1820
The buff-throated woodcreeper (Xiphorhynchus guttatus) is a resident passerine bird found in tropical South America in the Guiana Shield and disjunctly in the northern Atlantic Forest. It formerly included the cocoa woodcreeper and the Lafresnaye's woodcreeper as subspecies. Some authorities retain Lafresnaye's position as a subspecies of the buff-throated woodcreeper, but the resulting group is polyphyletic (see Systematics and evolution).
With a total length of 27–28 cm (10.5–11 in), and a weight of c. 64 g, this woodcreeper is, together with Lafresnaye's woodcreeper, the largest member of the genus Xiphorhynchus. The head, neck, mantle and chest are streaked buff, and the rest of the upperparts, wings and tail are rufous. The underparts are olive-brown. The bill is long, slightly decurved, and hooked at the tip. The upper mandible is dark grey, while the lower mainly is pale greyish-horn. The normal call is a loud chev-re chev-re.
Buff-throated woodcreepers are restricted to humid forest and woodland. The taxa in north-eastern South America (polystictus and connectens) are generally the commonest large woodcreeper within their range, but the nominate taxon (X. g. guttatus), which is restricted to humid tropical Atlantic forest, has a fragmented population and is generally uncommon. They are insectivores which feed on ants and other insects and spiders. It feeds low in trees, usually alone, but groups will follow columns of army ants. The species builds a bark-lined nest in a tree hole or hollow stump and lays two white eggs.
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