Correlations between ultraviolet coloration, overwinter survival and offspring sex ratio in the blue tit.
We studied the correlations between offspring sex ratio, UV coloration and overwinter survival in a population of blue tits, breeding in Gotland, Sweden, over three consecutive breeding seasons. In 2 of 3 years, we found that females paired to males with relatively brighter UV-coloration produced a...
Κύριοι συγγραφείς: | , , , , |
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Μορφή: | Journal article |
Γλώσσα: | English |
Έκδοση: |
2003
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