CHARADRIIFORMES: Laridae

Gelochelidon nilotica  

Gull-billed Tern (Gelochelidon nilotica)
click photo for larger image
© Geoff Walker 2011
Point Halloran, QLD (May, 2011)

The thick black bill is a key identifier.

Gull-billed Tern (Gelochelidon nilotica)

Gull-billed Tern in flight

Gull-billed Tern (Gelochelidon nilotica)

Gull-billed Tern

Gull-billed Tern (Gelochelidon nilotica)

Gull-billed Tern

Gull-billed Tern (Gelochelidon nilotica)

Breeding and Non-breeding Colours

Gull-billed Tern (Gelochelidon nilotica)

Gull-billed Tern Asian Race affinis

Gull-billed Tern (Gelochelidon nilotica)

Gull-billed Tern

Gull-billed Tern (Gelochelidon nilotica)

Gull-billed Tern

Gull-billed Tern (Gelochelidon nilotica)

Gull-billed Tern

Gull-billed Tern (Gelochelidon nilotica)

Gull-billed Tern

Gull-billed Tern (Gelochelidon nilotica)

Gull-billed Tern

Gull-billed Tern (Gelochelidon nilotica)

Gull-billed Tern

Gull-billed Tern (Gelochelidon nilotica)

Gull-billed Tern

Gull-billed Tern (Gelochelidon nilotica)

Gull-billed Tern

Gull-billed Tern (Gelochelidon nilotica)

Gull-billed Tern Asian Race affinis

Gull-billed Tern (Gelochelidon nilotica)

Gull-billed Tern

Gull-billed Tern (Gelochelidon nilotica)

Gull-billed Tern

Gull-billed Tern (Gelochelidon nilotica)

Gull-billed Tern

Gull-billed Tern (Gelochelidon nilotica)

Gull-billed Tern

Gull-billed Tern (Gelochelidon nilotica)

Gull-billed Tern

Gull-billed Tern (Gelochelidon nilotica)

Gull-billed Tern