Raw testosterone leaks from slits on either side of their broad faces, running in rivulets down the wrinkled folds of their gray skin like liquid sideburns. The smell is acrid; one elephant researcher even described it as "evil." It's a stench that, when mixed with the potent urine constantly dribbling down the backs of their thick legs, can turn stomachs from several... More >>>
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Dale Leeds is the large-mammal curator at the Denver Zoo; Packy, a 47-year-old bull, towers over a female elephant at the Oregon Zoo.