Rook:
UK Status: Resident.
Habitat:
This bird likes areas with plenty of tall mature trees, they are very
communal and nest in colonies of varying sizes. roadside hedgerows,
woods and occasionally gardens with mature trees. Colonies of Rooks are
called 'Rookery's'.
Breeding:
This is a colonial nester, and builds a large bulky nest made of sticks,
interwoven together. They are lined with straw, moss, hair and other
soft materials. Females lay only one clutch a year, there are anything
between one to nine eggs per clutch. Eggs ovular, and are of a blue
green colour speckled and blotched with brown.
Comment:
This bird is to be found over the greater part of the British Isles, it
is only absent from high ground such as the Welsh Mountains, the
Scottish Highlands and other mountain ranges. It used to be very common,
but is now becoming scarcer.