Birds of PA

Black Tern 1
Chlidonias niger
White-winged Tern 2
Chlidonias leucopterus

Edited by Benjamin Koser, some rights reserved (CC BY-SA)

Photo Credits

  • 1. (c) Ómar Runólfsson, some rights reserved (CC BY)
  • 2. (c) Ani Sarkisyan, some rights reserved (CC BY), uploaded by Ani Sarkisyan

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