New bird study shows that the
health and attractiveness of male blue tits is linked to the whiteness of their
cheek feathers
Date: February 6, 2018
Source: Springer
Summary:
Male blue tits with white cheeks
are healthier and more likely to mate with higher quality partners than their
counterparts with duller cheek feathers. Having purer white cheeks also
indicates that a blue tit was better able to overcome an infection with
parasites during the previous year.
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