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Spectacled Thrush

From Opus

(Redirected from American Bare-eyed Thrush)
Photo by Graham OsborneArima, Trinidad, December 2005
Photo by Graham Osborne
Arima, Trinidad, December 2005

Alternative names: Bare-eyed Robin; Bare-eyed Thrush; Yellow-eyed Thrush

Turdus nudigenis

Contents

[edit] Identification

Upperparts are plain brown, with underside lighter. Throat is striped with white and brown, but a much more obvious field mark is the large yellow eyering that consists of bare facial skin. The bill is yellow. The color of the brown parts can vary quite a bit, some of the variation might be dependent on light quality, but some may also depend on geographic variation.

[edit] Similar Species

The yellow eyering is shared with Ecuadorian Thrush (no overlap in range) and with Forest Thrush, but the latter species has underside scaled in brown and white.

[edit] Distribution

Northern Brazil to Colombia, Trinidad and Tobago, and the southern Lesser Antilles reaching at least to Guadeloupe. This bird has been spreading north through the Lesser Antilles for example arriving in Martinique in 1951.

[edit] Taxonomy

Two subspecies are recognized[1]:

Ecuadorian Thrush is included in this species by some authorities, but the Opus follow a majority among world-wide checklists according to which it is split.

[edit] Naming

This species has in the Americas traditionally been known as Bare-eyed Robin or Bare-eyed Thrush, and those are the names mostly used in local field guides. However, Bare-eyed Thrush on a world wide basis refer to the African species Turdus tephronotus. Therefore, the South American Classification Committee and IOC have changed to Spectacled Thrush, which seems to be the name of the future for this species (Yellow-eyed Thrush is a misnomer as the eye is not yellow).

Nest built by Spectacled ThrushPhoto by njlarsenDominica, July 2014
Nest built by Spectacled Thrush
Photo by njlarsen
Dominica, July 2014

[edit] Habitat

It seems mainly to occur in cultivated areas and open dry forest in Dominica, while the Forest Thrush is found in old growth rainforest.

[edit] Behaviour

This thrush is agressive towards other similar birds and has been suspected as a culprit in the near extinction of Forest Thrush from St. Lucia.

[edit] Nesting

Nesting usually happens May-August (in Trinidad and Tobago) Nest is usually built in a strong branch fork 6-25 feet above ground. Clutch averages almost 3 eggs, and sometimes, two clutches occur per year.

[edit] References

  1. Clements, James F. 2007. The Clements Checklist of Birds of the World. 6th ed., with updates to October 2007. Ithaca: Cornell University Press. ISBN 9780801445019
  2. SACC proposal to change name from Yellow-eyed Thrush to Spectacled Thrush
  3. SACC proposal to split Ecuadorian Thrush from the current species
  4. Richard ffrench. 1991. A guide to the Birds of Trinidad and Tobago. Comstock/Cornell Paperbacks. ISBN 0-8014-9792-2

[edit] External Links

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