Gelochelidon nilotica

Gull-billed Tern

Gelochelidon nilotica

Gull-billed Tern

Gelochelidon nilotica

Gull-billed Tern

Gelochelidon nilotica

Gull-billed Tern

Gelochelidon nilotica

Gull-billed Tern

Gelochelidon nilotica

Gull-billed Tern

Gelochelidon nilotica

Chlidonias hybrida

Hydroprogne caspia