White tiger and lion get a meaty popsicle on a hot Summer day

Animals that have to live in captivity need environmental enrichment: neural and physical stimulation in order to reduce stress and enhance their well-being. Big cats can't hunt when they live in an enclosure, so instead of always just being handed their food, they some times get a bucket of frozen meat and blood. It not only helps them endure hot Summer days, but it also keeps them entertained for a very long time!