This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
The book of birds Page . WORMEATING WARBLER ORANGECROWNED WARBLER GOLDENWINGED WARBLER Male aod Female DLUEWINGED WARBLER Page Illustration biodiversitylibrary org title Cooke Wells Woodbridge Fuertes Louis Agassiz Henshaw Henry Kennard Frederic Hedge National Geographic Society Shiras George Biodiversity Heritage