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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Sex ratios observed in 80 species of parrots
Journal of Zoology, Volume 276, No. 1, Year 2008
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Description
A number of potential evolutionary and physiological factors may be involved in avian sex ratio bias so that under certain conditions a sex ratio bias may favour males or females within a population. In addition different factors may be important in manipulating sex ratio bias through the different life stages. In this study sex ratio bias was examined in a total of 16 570 captive parrots, representing 80 species, many of which are endangered in the wild, using database records originating form commercial laboratories that offer genetic sexing. Within the species examined 72% showed a male bias this was significant in three species, when adjusted for multiple comparisons. This preliminary study is limited due to lack of data on the age of the individuals sampled. However, the large dataset do suggest that this phenomenon should be further considered by investigators working at a species level where such data can be collected. © 2008 The Authors.
Authors & Co-Authors
Taylor, Tiawanna D.
South Africa, Durban
University of Kwazulu-natal
United Kingdom, Nottingham
University of Nottingham
Parkin, David T.
United Kingdom, Nottingham
University of Nottingham
Statistics
Citations: 15
Authors: 2
Affiliations: 2
Identifiers
Doi:
10.1111/j.1469-7998.2008.00476.x
ISSN:
09528369
e-ISSN:
14697998
Research Areas
Genetics And Genomics
Study Design
Cross Sectional Study
Participants Gender
Male
Female