Bird Migration Cards
![Image: Bird Migration Cards](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/NR2009_03_18_4.jpg?itok=9jI7Idix)
Detailed Description
North American Bird Phenology Program Coordinator Jessica Zelt working with old migration bird cards.
Sources/Usage
Public Domain.
North American Bird Phenology Program Coordinator Jessica Zelt working with old migration bird cards.
Public Domain.