4 Black-capped Chickadees with various forms of deformed beaks

4 small birds with different deformed beaks

Detailed Description

Figure 6. Black-capped Chickadees with various forms of beak deformities: a) gap between maxilla and mandible; b) overgrown part of beak becomes brittle breaks off and leaves a blunt tip; c) extremely thickened beaks; and d) laterally curved beaks.

Details

Image Dimensions: 1500 x 329

Location Taken: AK, US