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.
IndianSkimmerEgg. Indian Skimmer egg Catalogue of the collection of birds' eggs in the British Museum Volume Eugene Oates PDold Rynchops albicollis Laridae eggs
Page 2023 Free-images.com. All images are Public Domain