| 21. | Measuring long, the spotted woodcreeper has an olive-brown head, back and breast.
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| 22. | It belongs to the genus " Xiphorhynchus " in the woodcreeper subfamily, Dendrocolaptinae.
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| 23. | The true woodcreepers are characterized by a belly feather growth pattern not found in any other birds.
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| 24. | The spot-crowned woodcreeper is typically 21.5 cm long, and weighs 35 g.
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| 25. | The woodcreepers are brownish birds which maintain an upright vertical posture supported by their stiff tail vanes.
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| 26. | The plain-brown woodcreeper is similar in appearance but has rufous wings, rump and tail.
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| 27. | Others such as cowbirds and the bobolink have shorter stubbier niche filled elsewhere in the Neotropics by woodcreepers.
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| 28. | However, because ovenbirds and woodcreepers are treated here as a single family some taxonomic ranks were modified.
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| 29. | Like the closely related true woodcreepers, it is a member of the South American bird family Furnariidae.
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| 30. | The woodcreepers are brownish birds which maintain an upright vertical posture, supported by their stiff tail vanes.
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