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Wicklow Mountains National Park
Grey Heron

Grey Heron, Corr reisc, Ardea cinerea

The Grey Heron is a well-known bird of river edges, lakes and marshes and is often seen at the lakes in Glendalough. Herons are often seen standing motionless at the waters’ edge waiting for prey, where one leg rests in the water. Their main food is fish but they will also eat small mammals, insects and frogs.

Herons’ nest in colonies, high in mature trees, where they build big bulky nests. The size of the colony can be from 1-80 pairs, but the usual size is 12.