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Zoo Elephants' Big Threat: Too Much Junk in the TrunkFor African elephants in zoos, obesity is likely contributing to infertility. To combat problem, one group of researchers is looking for a better way to measure body fat on the huge animals.
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I'm Fine! Animals Fake Healthy to Woo MatesChances are you've tried to hide a runny nose and cough when you're sick at the office or around family members, and a new study finds animals do something similar.
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Zoo-Raised Gorillas Prefer Forest Sounds Over ChopinCaptive gorillas display fewer stress-related behaviors in response to rainforest sounds.
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Zoos, Aquariums and Their Visitors Are Critical Advocates for Conservation (Op-Ed)Opinion Zoos and aquariums are hubs for inspiring the public to support wildlife conservation.
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Two Healthy Lions, and Their Cubs, "Zoothanized" … Why? (Op-Ed)Opinion Does conservation demand that a zoo kill healthy lions?
Opinion -
Oldest Hippo in US DiesBlackie, the oldest Nile hippopotamus in North America, has died at age 59 at the Cleveland Metroparks Zoo.
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Zoo's Hope of Love Connection Soars with New Resident -
Why Bigfoot is Unlikely Only If You Know What “Unlikely” MeansWhat we don't know is shaped by what we do.
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Pattycake, Bronx Zoo's Celebrity Gorilla, Dies at 40Beloved by New Yorkers, she was the subject of 2 books.
