Many mammal populations in European and North American zoos are aging—a trend that jeopardizes the long-term viability of ...
AZ Animals on MSN
Zoochosis: The hidden cause behind abnormal animal behavior
A tiger walks the same worn groove along the edge of its exhibit, like a broken record. A parrot methodically plucks out its ...
Many mammal populations in European and North American zoos are aging – a trend that jeopardizes the long-term viability of so-called reserve ...
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