Birds of Illinois

Common Merganser 1
Mergus merganser
Red-breasted Merganser 2
Mergus serrator

Edited by Oliver Burrus, some rights reserved (CC BY-SA)

Photo Credits

  • 1. (c) Luciano Giussani, some rights reserved (CC BY-NC-SA)
  • 2. (c) Robert Keereweer, some rights reserved (CC BY-NC)

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