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American Crow

Corvus brachyrhynchos

Did you talk about mobbing?

The crow forms large groups in the winter to sleep in communal dormitories. These groups can count several hundred to several thousand individuals.

It sometimes makes and uses tools in order to access food (a behaviour that is especially seen in captivity).

Aggressive and territorial, it can hunt, in groups, larger birds who threaten its nest, like hawks, owls and eagles. This behaviour is called mobbing.