At dusk, 40,000 rooks gather in the Yare Valley in Norfolk. Read more
Winter - Roosting
At dusk, 40,000 rooks gather in the Yare Valley in Norfolk.
Spring - Breeding
Some rookeries date back hundreds of years. Why are birds so loyal to one site?
Summer - Eating
As summer warmth dries out the earth, the young rooks have a hard time finding enough food
Autumn - Roosting Again
The summer's scattering of rooks is over and their communal urges bring them together.