| 31. | Like the other woodcreepers, it belongs to the subfamily Dendrocolaptinae of the ovenbird family ( Furnariidae ).
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| 32. | Unlike most woodcreepers, it will make sallies to catch insects in flight or snatch them from leaves.
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| 33. | Generally brownish birds, the true woodcreepers maintain an upright vertical posture, supported by their stiff tail vanes.
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| 34. | However, woodcreepers often form part of the core group at the centre of flocks attending army ant swarms.
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| 35. | The xenops, which have usually been considered ovenbirds with a somewhat woodcreeper-like plumage, are problematic.
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| 36. | The wedge-billed woodcreeper is typically 14 15 cm long, and weighs 14 16.5 g.
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| 37. | It creeps along branches and up stems-but uses its tail for support less than a woodcreeper does.
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| 38. | Many species of birds mostly cuckoos, woodcreepers, tanagers, and antbirds feed near the swarms.
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| 39. | The northern barred woodcreeper ( " D . sanctithomae " ) was formerly included in this species.
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| 40. | The woodcreeper nests in cavities, both natural and bird-( e . g . woodpecker ) made.
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