typical shrill calls #1 typical shrill calls #2 chit alarm calls calls at nest

Charrán Mínimo

Sternula antillarum

calls #1 calls #2 calls #3

Charrán Aleutiano

Onychoprion aleuticus

grating calls barks & grating calls #1 barks & grating calls #2 juvenile squeals

Charrán del Caspio

Hydroprogne caspia

calls calls at nest

Charrán Rosado

Sterna dougallii

typical calls #1 typical calls #2 buzzy alarm calls at colony calls at nest

Charrán de Forster

Sterna forsteri

keeyer & alarm calls more calls #1 more calls #2

Gaviota Blanca

Larus hyperboreus

adult calls adult calls & squeals of young

Gaviota Bajacaliforniana

Larus livens

typical barks at colony churring calls at nest more colony calls

Rayador Americano

Rynchops niger

typical grating calls more calls #1 more calls #2

Gaviota de Bonaparte

Chroicocephalus philadelphia

typical calls #1 typical calls #2 alarm calls calls of flock

Gaviota de Franklin

Leucophaeus pipixcan

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