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Geoff's Gallery: Gull-billed Tern (1/5)
CHARADRIIFORMES: Laridae
Gelochelidon nilotica
click photo for larger image
© Geoff Walker 2009
Manly, QLD (Oct, 2009)
The breeding birds have the full black cap on the head.
Breeding and Non-breeding Colours
Gull-billed Tern
Gull-billed Tern
Gull-billed Tern Asian Race affinis
Gull-billed Tern Asian Race affinis