Text and photographs follow a team of New England Aquarium scientists as they track and study migrating North Atlantic right whales and speculate about the future survival of the endangered species.
A comprehensive illustrated survey of birds in their various habitats throughout the world, from the North American prairies to the Australian Outback. Endangered species are also discussed.
Describes the physical characteristics, life cycle, and behavior of the two species of wolves found in North America and discusses efforts to save them from extinction by reintroducing them to wilderness areas.