... Photo Researchers; p 4(inset), W Gregory Brown / Animals Animals; p 5(both), Stephen Dalton / Animals Animals; p 6(both), Mella Panzella / Animals Animals; p 7, Elizabeth Weiland / Photo Researchers; ... Photography; p 2, Stephen Dalton / Animals Animals; p 2(inset), Gregory Dimijian / Photo Researchers; p 3, Alan Carey / Photo Researchers; p 3(inset), John Gerlach / Animals Animals; p 4, Charles V Angelo ... 8, Joe McDonald / Animals Animals; p 8(inset), Terry Eggers / The Stock Market; Back cover (l), Barry L Runk / Grant Heilman Photography; Back cover (r), Joe McDonald / Animals Animals Copyright...