Description: WHALES & DOLPHINS provides an informative and colorful portrait of these beautiful creatures, covering many diverse species, from the porpoises, the smallest of the whale family, to the compact minke whale, to the colossal sperm whale, the largest of the toothed whales and to the slender, streamlined dolphins that seem to take so much pleasure from human contact. Taking a scientific look at the lifestyles of these beautiful creatures, topics such as their humanlike body temperature while in icy water, courtship and mating, giving birth, and feeding in cooperative groups are demystified and explained.