Sumatran orangutans in a modern great ape house.
Sumatran orangutans use tools and can even learn to open locks.
Snowy owls in a species-appropriate aviary.
Snowy owls hunt during the day, unlike most owls.
The 'Ghost of the Mountains' – a rare big cat of high mountain ranges.
Snow leopards can leap up to 15 meters in distance.
Australian marsupial that feeds almost exclusively on eucalyptus leaves.
Koalas sleep up to 22 hours a day because eucalyptus provides little energy.
The largest land mammal on Earth.
African elephants communicate via infrasound over distances of up to 10 km.