Up to 166cm
Bycatch and pollution.
Some populations resident while others migrant, the latter travel south in the winter.
Small fish, invertebrates and eggs.
Likely most abundant seagull during autumn and winter periods. Small breeding population in Berlengas archipelago.
Nests made out of heaps of grass, seaweed, lichen, feathers and other materials, at ground level, in the coasts of Northwestern Europe.
Find out more about the marine megafauna in Portugal with the official AIMM Species Guide.
The Species Guide is a digital guide in English where you’ll find various information about the marine species that occur in mainland Portugal. You’ll find biological information, behavior, conservation status and much more!
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