Abstract Field observations around the largest Northern Gannet Morus bassanus colony in the North Sea, the Bass Rock, showed that 66% of all Gannets foraged in areas with very low densities of conspecifics, more than 100 km from the colony. When one forager found prey, even distant Gannets responded by joining the finder to obtain a share of the bounty but, because of the low densities of Gannets

...

Stay at the forefront of British birding by taking out a subscription to British Birds.

Subscribe Now