great white egrets spectacled owls , burrowing owls , barn owls , red kangaroos , koalas , Goodfellow 's tree-kangaroos , bali mynas , bactrian camels , military macaws , indigo macaws , hyacinthine macaws , red-and-green macaws , rhino hornbills , great hornbills , Oriental small-clawed otters , reindeer , giant anteaters , R�ppell 's vultures , domestic chickens , 200 long-crowing chicken breeds , harpy vultures , crested wood partridges , Bornean orangutans , wedge-tailed vultures , red-legged seriemas , lappet-faced vultures , Eastern box turtles , servals and great white pelicans.
The London Zoo has walruses .