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...
| Main Authors: | , , , , |
|---|---|
| פורמט: | Journal article |
| שפה: | English |
| יצא לאור: |
2003
|