DISCOVERY OF A POPULATION OF THE ENDANGERED RED SISKIN (CARDUELIS CUCULLATA) IN GUYANA

A heretofore unknown population of the endangered Red Siskin (Carduelis cucullata) was discovered in southwestern Guyana, ∼950 km from populations along the Venezuela coastal cordilleras. Most Venezuelan populations have been greatly reduced by the pet trade during the past 150 years, thus the newly...

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Bibliographic Details
Published in:The Auk 2003-04, Vol.120 (2), p.291-298
Main Authors: Robbins, Mark B, Braun, Michael J, Finch, Davis W
Format: Article
Language:English
Subjects:
Animal and plant ecology
Animal behavior
Animal populations
Animal wings
Animal, plant and microbial ecology
Animals
Autoecology
Aves
Biological and medical sciences
Bird nesting
Birds
Breeding
Endangered & extinct species
Endangered species
Feeding behavior
Female animals
Fundamental and applied biological sciences. Psychology
Immatures
Male animals
Mating behavior
Plumage
Savannas
Vertebrata
Wildlife conservation
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Description
Summary:A heretofore unknown population of the endangered Red Siskin (Carduelis cucullata) was discovered in southwestern Guyana, ∼950 km from populations along the Venezuela coastal cordilleras. Most Venezuelan populations have been greatly reduced by the pet trade during the past 150 years, thus the newly discovered Guyana population represents an opportunity to insure the survival of this highly endangered species in the wild. Breeding of Guyanese siskins coincides with both breeding periods (May to early July and November—December) that have been documented in Venezuela. Breeding behavior, vocalizations, feeding habits, and immature plumages are described.
ISSN:0004-8038
1938-4254
2732-4613
DOI:10.1642/0004-8038(2003)120[0291:DOAPOT]2.0.CO;2