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Mom, when you come back bring me some pop-corn... (Thanks Damir) Galápagos- 1967

The striking vocabulary of swallowed tail gulls includes a scream, snore, rattle and whistle. There is a 'long call' apparently homologous with the generalised gull long call and a special call associated with downward choking .The calls are similar to sounds used for echolocation, creating sounds that echo back to the ears and help to pinpoint swimming prey. Juveniles use the white spot on the adult’s bill as a focal point when begging for food; the white is like a beacon in the night
A scanned 6x6 bl/w negative, taken in the year 1967

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Lima, Peru

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  • Uploaded on March 4, 2013
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    by Eva Lewitus