It drums its feet on the grass, like a little dance. The vibrations seem to mimic a digging mole, and worms rush up to escape.
Seabirds · day 5 of 7
The vibrations drive earthworms up, which the gull then eats.
It was seen using bits of bread to lure goldfish.
Young gulls peck the red spot on an adult's bill to show they are hungry.
Some gulls hesitated more to snatch food when the experimenter made eye contact.
It can drink seawater thanks to its salt glands, but prefers fresh water when available.
More about the European Herring Gull
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