While some birds are essentially territorial or live in small family groups, other birds may form large flocks.

Common Ravens usually travel in mated pairs, although young birds may form flocks.

The birds are normally found in small Herd, but can form very large flocks under favourable conditions.

Occasionally the birds form homosexual pairs consisting of two females.

Around the three the other birds formed an escort as they first climbed then leveled in whispering flight.

Outside the breeding period these birds form small flocks of up to two dozen individuals.

After the breeding season is completed, the birds will form large communal roosts.

In Arabian mythology, a bird formed from the blood and brains of a murdered prince.

After raising its young, all birds will form rather large communal roosts until the next breeding season.

The birds also form temporary flocks when engaged in the same activity.