Roger Williams Park Zoo via NBC

Caldwell Zoo via Pinterest

Wild Enrichment

Lauren Culley via Pinterest

Sarah Mays, Brevard Zoo

The Raptor Center, College of Veterinary Medicine at University of Minnesota

Pinterest

San Diego Zoo Global

Como Zoo & Conservatory

Blackpool Zoo via Liam Southern on Pinterest

MiniPigInfo.com

Pinterest

Pinterest

Pinterest

Dudley Zoological Gardens

Toronto Zoo

Thijs Zonnenberg via Pinterest

University of Winnipeg Enrichment Club

Pinterest

Rachael Pippen via Pinterest

zoochat.com, submitted by Zambar

Pinterest

Zoo Atlanta via Why Animals Do the Thing

Jessica Ranney, Racine Zoo