American Association of Zoo Keepers

An Amur tiger walks across a passageway after a news conference at the Philadelphia Zoo, Wednesday, May 7, 2014, in Philadelphia.  (AP Photo/Matt Slocum)

Philadelphia Zoo lets tigers stretch legs on trail

PHILADELPHIA (AP) — Visitors to the Philadelphia Zoo might want to beware of stray cats: A new enclosed passageway allows lions and tigers to roam outside their exhibits. Yet humans can safely gawk at the […]



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