Galapagos Photography (2/122)

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The throat sac of male frigate birds can be inflated with air and is used to impress the females, both visually and by helping to resonate the loud rattlings and yodels of courting males.  Galapagos, Equador.
The throat sac of male frigate birds can be inflated with air and is used to impress the females, both visually and by helping to resonate the loud rattlings and yodels of courting males. Galapagos, Equador.
Filename: Galapagos_0002.jpg
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Keywords:
Galapagos
Bird
Ocean
Plumage
Frigate
Water
Female
Equador
Fish
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