This is either an immature male or female Cape May Warbler. Any guesses?
Country United States
State Illinois
Location Jarvis Bird Sanctuary, Chicago
Gender Unknown
Age Adult
- Created Timestamp09/01/2020 11:09:41
- CameraCanon EOS 7D Mark II
- Aperture5.6
- Focal Length400
- Iso1250
- Shutter Speed1/320



Nearly impossible to distinguish. Even Cornell can’t tell them apart lol . . . although if I had to guess I’d say it’s an adult female. I think the immature males in the fall often have darker streaking on the breast, they are just missing the copper cheek.