"Opossums in the wild don't make it to the age of three; our pet cats can live for a decade and a half; cicadas live for seventeen years (spending most of them underground). Whales, however, can live for two centuries and tubeworms for several millennia. Meanwhile, human life expectancy tops out around the mid-eighties, with some outliers living past 100 or even 110. Is there anything humans can learn from the exceptional longevity of some animals in the wild? In Methusaleh's Zoo, Steven Austad tells the stories of some extraordinary animals, considering why, for example, animal species that fly live longer than earthbound species and why animals found in the ocean live longest of all" -- Page 4 of cover.