Although the majority of the world's Herons live in the tropics and subtropics, Europe is home to nine species, some large, some small, some colonial, some solitary breeders. Highly specialized birds, they exhibit many interesting differences in their behavior and ecology and are a favorite group for many ornithologists. Dr. Voisin begins her book with a general description of the family before going on to treat each species in more detail. The species...