Why do crossbills have such uniquely shaped bills and hence
their name? How does the pine trees adapt to mitigate the
foraging habits of squirrels and crossbills?
Why do crossbills have such uniquely shaped bills and hence their name? How does the pine trees adapt to mitigate the fo
-
- Site Admin
- Posts: 899603
- Joined: Mon Aug 02, 2021 8:13 am