THE MOST STRIKING FIGURE IN the Peabody's Age of Mammals comes toward the end, among the Ice Age's brilliant foliage. It is a wooly mammoth, and it takes up most of the wall's height with its rufous bulk, curling tusks, and high-domed cranium. It is the only figure, except for a soaring bird of prey, that extends above the horizon. Unlike the mural's coryphodonts and uintatheres, it is not engaged in a confrontation but gazes forward serenely as though confident of its preeminence. Even the naked pink nostrils at the end of its trunk have a confident air. The entire 60-foot-long painting, with its grandly shifting scenery and dozens of figures, might have been laboring to produce this magnificent and intelligent beast.
Yet if the mammoth implies the culmination of certain valued mammalian qualities, there is another giant beast even nearer to the mural's end that does not. It stands on its hind legs, head slightl ... read full excerpt from Beasts of Eden: Walking Whales, Dawn Horses, and Other Enigmas of Mammal Evolution ebook