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- Title
Eye Coloration in Common Yellowthroat (Geothlypis trichas) to Determine Age.
- Authors
Rodríguez Ramos, Gerardo; Grosselet, Manuel; Ruiz, Georgita
- Abstract
The article presents a study on the use of eye coloration in determining the age of Common Yellowthroat (Geothlypis trichas). The eye color of 300 birds was identified and compared with other known aging criteria such as skull ossification, preformative molt and shape of rectrices. It was found that the retrix shape, molt and wear can be used as complementary characteristics in age determination and changes in eye color must be observed in different species within different age categories.
- Subjects
EYE color; AGE determination of animals; YELLOWTHROAT; GEOTHLYPIS; BIRD molting
- Publication
North American Bird Bander, 2015, Vol 40, Issue 1, p11
- ISSN
0363-8979
- Publication type
Article