By Chris Waltho, John Coulson
A universal sight round the extra northerly beaches of the British Isles, the typical Eider is the biggest duck within the northern hemisphere. The eider is especially good tailored to cold-water environments; the insulating homes of eider down are iconic. The species is taxonomically attention-grabbing, with a variety of well-marked subspecies reflecting the styles of ice assurance in the course of old glaciations, and those geese have additionally supplied the focal point for a couple of very important behavioural reports, particularly on feeding ecology and effort budgets.
Eiders have a protracted organization with people, and feature deep cultural importance in lots of societies. besides the fact that, glossy life are exposing those geese to a variety of new pressures.
This monograph offers a finished portrait of the typical Eider; authors Chris Waltho and John Coulson assemble an intensive and various overseas literature, with sections on taxonomy, habitats, breeding biology, inhabitants dynamics, nutrition and foraging, dispersal and migration, and conservation.