Calgary Zoo's birds returning outdoors as avian flu concerns wane

The Wilder Institute/Calgary Zoo plans to reopen its Rainforest Aviary to visitors on June 15 as avian influenza numbers are on the decline in North America. (Calgary Zoo) The Wilder Institute/Calgary Zoo plans to reopen its Rainforest Aviary to visitors on June 15 as avian influenza numbers are on the decline in North America. (Calgary Zoo)

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