On the Clock: Bob MacLean, Audubon Nature Institute senior veterinarian
 

http://media2.fdncms.com/gambit/imag...829_092026.jpg In a metal outdoor stall adjacent to her enclosure, the 5,000 pound, 53-year-old Southern white rhino Macite bumps her big prehistoric head lightly against the bars. The horn at the end of her nose looks like an ancient relic, but she scrapes her giant flat feet in the dust just like a cow shuffling in a pen on a hot day.*

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