Rookery

A rookery is a special place where certain animals, especially birds, come together to breed and raise their young. The word comes from the nesting habits of rooks, a type of bird in the crow family. Rooks build many nests close together in tall trees, forming a busy colony. This idea of a crowded breeding area is used for many other animals too, like corvids, seabirds, marine mammals such as true seals and sea lions, and even some turtles.

Because of how rooks live, the word rookery was also used in the past to describe crowded and poor neighborhoods in cities, especially in London, during the 1800s. Scientists have also found evidence that some ancient flying reptiles called pterosaurs, specifically a species named Pterodaustro, may have lived in groups similar to modern rooks, showing that this kind of group living has been around for a very long time.