When feeding animals in Zoo Boise, zookeepers hide food in toys to encourage their natural behaviors. As part of the zoo's Enrichment Program, they also use a bubble machine to see how animals will interact with bubbles. Yuqing Zhu yzhu@mcclatchy.com
When feeding animals in Zoo Boise, zookeepers hide food in toys to encourage their natural behaviors. As part of the zoo's Enrichment Program, they also use a bubble machine to see how animals will interact with bubbles. Yuqing Zhu yzhu@mcclatchy.com

What keeps Zoo Boise’s lions purring? Blood popsicles and Victoria’s Secret perfume

August 02, 2017 08:13 AM