The Secret Life of the Zoo

Tortoises Burt and Terrance, who've been best mates for 70 years, compete for the affections of breeding female Smooth Sides. Pregnant okapi K'Tusha is due to give birth. Plus: vultures and elephants.

First shown: 12 Dec 2018 This programme is subtitled This programme is audio described

Next on TV

Channel 4 Thu 20 Dec, 8pm The Secret Life of the Zoo at Christmas 2018