National Geographic News

Flamingos, Mexico

Photograph by Klaus Nigge, National Geographic

Flamingos, fiercely loyal in wild flocks, move in unison when there is a threat. Here, near Sisal, Mexico, a research plane is passing overhead. Several major breeding groups live in estuaries around the Caribbean and beyond.

See more pictures from the April 2012 feature story "Birds of a Feather."

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