It is one of the largest woodcreepers and the largest furnariids, though the slender long-billed woodcreeper is longer and the great rufous woodcreeper is larger overall. There is some size variation across the range, with typical birds measuring 28–31 cm (11-12.5 in) long and weighing about 120 grams (4.2 oz). Large strong-billed woodcreepers can measure up to 35 cm (14 in) and weigh 169 grams (6 oz). The most distinctive feature of this typically marked striped, brownish bird (other than its size) is its massive, semi-decurved bill, which may be brown or blackish.
The strong-billed woodcreeper is found in Belize, Bolivia, Brazil, Colombia, Costa Rica, Ecuador, El Salvador, Guatemala, Guyana, Honduras, Mexico, Nicaragua, Panama, Peru, and Venezuela. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests. It may be found singly or in pairs, often forging at low levels near the ground and working its way up in trees and accompanying mixed feeding flocks. They are sometimes known to follow antswarms and are usually dominate over other smaller birds also doing this.
- The Birds of Ecuador. Robert S. Ridgely & Paul J. Greenfield. Cornell University Press. ISBN 0-8014-8722-6.
- BirdLife International (2012). "Xiphocolaptes promeropirhynchus". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013.
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