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White-crowned Tapaculo - BirdForum Opus

Revision as of 18:19, 14 February 2021 by Sbarnhardt (talk | contribs) (Edited Behavior nrtv, Removed Incomplete coding, Now considered Complete)
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Photo © by Thibaud
Huembo Lodge, Amazonas, Peru, 22 January 2021

Alternative name: Northern White-crowned Tapaculo

Scytalopus atratus

Identification

12 cm / 4 ½ inches
Blackish, white patch on head

Male:
• 25 – 33 grams
• Mainly blackish
• Red shaded brown rump
• Black and shades of gray underneath
• May have contrasting pale gray patch on throat.
• Rear flanks and vent brown with red tint and black bars
• Often has noticeable light feather tips on belly
• Dark to black bill
• Dark brown iris

Female:
• 25 +/- grams
• Paler than male
• Frequently brownish upward on body
• Crown patch not as large or bright
• Flanks more rufous

Juvenile:
• Rusty-colored
• Heavily barred and scaled all over
• Pale forecrown which is central

Distribution

South America, Colombia, Venezuela, Ecuador, and Peru

Taxonomy

This is a polytypic species[1] consisting of 3 subspecies:

  • S. a. nigricans: The Andes of Western Venezuela (Táchira, Mérida and Sierra de Perijá)
  • S. a. confusus: Central Andes and Eastern slope of Western Andes of Colombia
  • S. a. atratus: Eastern slope of the Andes of Colombia, Ecuador and Peru (South to Cusco)

White-crowned Tapaculo has been considered conspecific with Bolivian Tapaculo in the past.

Habitat

Found at 850-1999 m/2800-6600 feet elevation in the undergrowth of humid forests and the outer edges of forests. Noticeably co-existing with S. micropterus in the northern part of their range, where they tend to be found more in broadleaf and primary growth.

Behaviour

Likely is sedentary, forages at, or near, the ground for insects.

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2019. The eBird/Clements Checklist of Birds of the World: v2019. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Krabbe, N. and T. S. Schulenberg (2020). White-crowned Tapaculo (Scytalopus atratus), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.whctap1.01
  3. Lepage D. (2021) [Avibase - https://avibase.ca/7CD6AF48]. Retrieved 9 February 2021

Recommended Citation

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