Lemurs, pygmy hippos and tigers all got into the Halloween spirit on October 17, 2019, as ZSL London Zoo counts down to a week of fiendish family fun. /VCG Photo

A Sumatran tiger sank his claws into a giant gourd, rolling around a 42 kilogram pumpkin before savoring a meaty feast hidden inside. /VCG Photo

Joining in the festive fun was a ring-tailed lemur, who took a few moments to admire the carvings before noshing on the treats for breakfast. /VCG Photo