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marking_tern_3777.jpg

Marking Roseate tern with blue permanet magic marker for easier field observations of their behavior.

Marking Roseate tern with blue permanet magic marker for easier field observations of their behavior.

Copyright:(c) 2019 Robert S. Michelson All Rights Reserved Size:4288x2848 / 9.8MB

Keywords:

Roseate tern, Sterna dougallii, tern, bird, colony, Endangered, Bird Island, Marion, Buzzards Bay, Cape Cod