Both: Lesser rhea; European white stork; western cattle egret; bar-headed goose; common eider; white-faced whistling duck; smew; mandarin duck; Indian peafowl; burrowing, Ural and snowy owls
Whipsnade
Common ostrich; common emu
Jackass and northern rockhopper penguins
Black-faced ibis; little egret
Caribbean flamingo
Baer’s pochard; West Indian whistling and maned wood ducks; marbled teal; magpie, emperor, swan and barnacle geese; hooded merganser
Bataleur eagle; Harris’ hawk; merlin; European kestrel; lanner falcon
Edward’s pheasant
Blue, wattled, western black-crowned, eastern grey-crowned and red-crowned cranes; brolga; corncrake
Blue-and-yellow, scarlet, hyacinth and green military macaws; Honduran amazon; Mitchell’s lorikeet; Congo grey parrot
White-faced scops owl
Abyssinian ground, southern Sulawesi and Visayan tarictic and red-billed hornbills
Blue-crowned and Sumatran laughing thrushes; British red-billed chough; red-billed blue magpie; Emei Shan liocichla; chestnut-backed ground thrush
Zurich
Black-necked grebe
Humboldt and king penguins
Black stork; little bittern; hamerkop; Panama boat-billed heron; Eurasian spoonbill; Madagascar crested and scarlet ibises; waldrapp
Chilean flamingo
Crested screamer; African pygmy, lesser Magellan, Egyptian, lesser white-fronted, red-breasted and blue-winged geese; Baikal, cinnamon, common, falcated, Hottentot, red-billed and Bernier’s teals; Meller’s, Magellan steamer, South American comb and bronze-winged ducks; Chiloe wigeon; spectacled eider; common goldeneye; northern shoveler; rosy-billed pochard; ruddy shelduck; Bewick’s and black-necked swans
Western Egyptian vulture
Asian blue quail; crested wood and Madagascar partridges; Himalayan monal; Satyr tragopan; wild turkey
Demoiselle and white-naped cranes; sunbittern; red-legged seriema; red-and-white crake
Black-necked stilt; Eurasian oystercatcher; northern and southern lapwings; African and wattled jacanas
Blue-crowned hanging, greater vasa and black parrots; dusky lory; red-collared, scaly-breasted, rainbow and red-flanked lorikeets; green-winged macaw; sun and lesser Patagonian conure; Lord Derby’s parakeet; Madagascar lovebird
Diamond, Madagascar turtle and crested quail doves; Luzon bleeding-heart; Madagascar blue pigeon
Eurasian northern hawk and European pygmy owls
Green and Senegal turacos
Crested coua
White-tailed trogon
Crowned hornbill; blue-crowned motmot; European bee-eater; pitta-like ground roller
Channel-billed toucan
African yellow white-eye; bearded barbet; copper sunbird; European goldfinch; northern and yellow cardinals; orange-breasted bunting; red-billed leiothrix; red-throated parrotfinch; red-whiskered and white-spectacled bulbuls; thick-billed and violaceous euphonias; turquoise, Brazilian, flame-faced and black-necked tanagers; white-crowned robin-chat; Bali mynah; blue-backed and Cuban grassquits; crested drongo; Kilimanjaro and Madgascar white-eyes; Madagascan bilbfinch; Madagascar fody; Madagascar magpie robin; Montserrat oriole; plush-crested jay; purple and red-legged honeycreepers; red siskin; red-crested and saffron finches; ultramarine grosbeak
Zurich wins as regards variety and number of species, although Whipsnade has a better collection of cranes and raptors.