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Overview

Distribution

Range Description

Coccyzus ferrugineus is endemic to Cocos Island, c.500 km from the coast of Costa Rica. It is widespread and probably under-recorded in suitable habitat, but the extent of such habitat is very limited (F. G. Stiles in litt. 1999). The total population is probably significantly below 1,000 individuals, and it is the least common of the endemic land birds on the island.

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Source: IUCN

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Range

Cocos I. (off w Costa Rica).
  • Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2014. The eBird/Clements checklist of birds of the world: Version 6.9. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/

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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
It frequents second growth forest, Hibiscus thickets and streamside vine-tangles, feeding on large insects and lizards Anolis sp. (Stiles and Skutch 1989). There are apparently no published observations of the species nesting (T. Sherry in litt. 2007).


Systems
  • Terrestrial
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
VU
Vulnerable

Red List Criteria
D1+2

Version
3.1

Year Assessed
2012

Assessor/s
BirdLife International

Reviewer/s
Butchart, S. & Symes, A.

Contributor/s
Sherry, T. & Stiles, F.

Justification
This species is classified as Vulnerable because it has a very small range and population. Introduced herbivores are degrading forests in its range, but it appears to tolerate some habitat modification and there is (as yet) no evidence of a decline in its range or population. Regular surveys are required so that trend data can be collected, and if it is found to be in decline it may warrant uplisting to Critically Endangered.


History
  • Vulnerable (VU)
  • Vulnerable (VU)
  • Vulnerable (VU)
  • Vulnerable (VU)
  • Vulnerable (VU)
  • Threatened (T)
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