Four passerine species with beak deformities
![Four small birds with beak deformities](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/4_passerine_deformed_collage.jpg?itok=6qZWsUkW)
Detailed Description
Figure 9. Passerine species with beak deformities: a) Chestnut-sided Warbler in Newton Centre, Massachusetts, photo courtesy of John Neufeld; b) Yellow-rumped or Myrtle Warbler in Cape May, New Jersey, photo courtesy of John McNamara; c) Slate-colored Junco on Middleton Island, Alaska, photo courtesy of Rachel Richardson; and d) Boreal Chickadee, photo courtesy of Rachel Richardson.
Sources/Usage
Public Domain.