purr calls from burrow pair giving purr calls purrs and chatter calls purr, chatter call & squealing

Paíño de Leach

Oceanodroma leucorhoa

aggressive calls colony calls

Rabijunco Pico Rojo

Phaethon aethereus

calls of adults at colony clamor of huge colony

Bobo Norteño

Morus bassanus

night screams calls at a colony

Fragata Tijereta

Fregata magnificens

typical calls various calls at nest more calls at nest

Charrán Negro

Chlidonias niger

koorrick calls calls near nest immature squeals

Charrán Real

Thalasseus maximus

calls of individual deafening colony

Charrán Albinegro

Onychoprion fuscatus

keearr calls #1 keearr calls #2 kip alarm calls churring calls at net

Charrán Común

Sterna hirundo

kayWEK & peeps of chicks excited calls at nest more calls & peeps of chicks

Charrán Pico Grueso

Gelochelidon nilotica

keeyarr calls #1 kip and keeyar calls at nest peeps given while fishing

Charrán Ártico

Sterna paradisaea

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