The Zoo 150th Birthday The Philadelphia Zoo celebrated its 150th anniversary in 2009. So stop by and celebrate this major achievement at America´s first zoo! McNeil Avian Center On May 30, 2009 the 17.5-million McNeil Avian Center opened to the public. This new aviary incorporates lush, walk-through habitats where visitors can discover more than 100 spectacular birds from around the Read more...
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