maandag 14 december 2015

Gulls follow ducks for dinner

Gulls in central Europe have learned to follow diving ducks to take the bottom-dwelling mussels that would otherwise be inaccessible to them.

Gulls are well known as one of the most adaptable groups of birds, able to exploit a wide variety of food resources and respond to new opportunities, and a new study in American journal The Auk documents this previously unrecognised behaviour in Herring Gulls and Common Gulls on a brackish lagoon on the border between Germany and Poland.

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