Audouin’s Gull (Αιγαιόγλαρος) is a rare Gull species in Greece found only in the islands of the Aegean sea. No more than 1000 pairs breed in Greece.
It’s feeding habits are limited to fresh fish. On the contrary the increasing population success of the Yellow Legged Gull (Larus michahellis) is based on it’s ability to feed with nearly anything moves or dies, even with human rubbish.
The above Audouin’s Gull individual is ringed and “armed” with a transmitter. It can be seen among the primary and tail feathers.