A cross section of a woodpecker's nest. The bird used its beak to peck out a cavity in a rotten tree. Here the tree has been sawed vertically to reveal the cavity made by the bird. The wood is maple and the nest was discovered in a tree Northern New York State | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Kinsman, Edward |
Bildgröße: | 2400 px × 3600 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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