Curiosity is a powerful incentive for explorers and scientists alike. Economics and the search for profits have funded the voyages of Magellan and other navigators, and the drive to find out what lies beyond the ordinary realm has played a role in the willingness of voyagers to take such grave risks.
This thorough revision of the classic first edition brings this authoritative book right up-to-date. Articles describe every species in detail, based on the very latest taxonomy, and a host of biological, ecological and sociological aspects relating to marine mammals. The latest information on the biology, ecology, anatomy, behavior and interactions with man is provided by a cast of expert authors - all presented in such detail and clarity to support both marine mammal specialists and the serious naturalist.
In Arctic Canada, Hudson Bay is a site of great exploration history, aboriginal culture, and a vast marine wilderness supporting large populations of marine mammals and birds. These include some of the most iconic Arctic animals like beluga, narwhal, bowhead whales, and polar bears. Due to the challenges of conducting field research in this region, some of the mysteries of where these animals move, and how they are able to survive in such seemingly inhospitable, ice-choked habitats are just now being unlocked. For example, are polar bears being replaced by killer whales?
It is only natural for people to be fascinated by the sea. Life originated in the oceans, and more than one-half of the people on Earth reside within 50 miles of the sea. However, even though we have sent explorers to the moon and other regions of space, we still know little about the frontier that surrounds us.
It is only natural for people to be fascinated by the sea. Life originated in the oceans, and more than one-half of the people on Earth reside within 50 miles of the sea. However, even though we have sent explorers to the moon and other regions of space, we still know little about the frontier that surrounds us.
