Forster's tern (Sterna forsteri) and Trudeau's tern (Sterna trudeaui). Illustration from 'Birds of America', by John James Audubon (1835-1838).

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Size: 5394px × 3240px
Photo credit: © NATURAL HISTORY MUSEUM, LONDON/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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