This list was started by rionkimchi and has been added to by rada1985
full list of crossbreeds
require coins
aardwolf = gray wolf + hyena (59,500 coins)
alpaca = camel + llama (26,000 coins)
bactrian camel = camel + mountain goat (52,000 coins)
blue alligator = crocodile + gharial (16,250 coins)
bush baby = ringtail lemur + koala (900 coins)
civet = african wild dog + coyote (3,600 coins)
elephant shrew = elephant + persian chinchilla (54,000 coins)
emu = hoopoe + ostrich (80,000 coins)
ethiopian wolf = gray wolf + red fox (600 coins)
fennec fox = kangaroo + flying fox (600 coins)
Gazelle = dik dik + impala ($220,000)
gila monster = iguana + horned toad (56,400 coins)
kangaroo rat = kangaroo + ***** mole rat (80,000 coins)
kinkajou = meerkat + fossa (25,000 coins)
Magpie = hoopoe + golden pheasant ($115,000)
Mink = river otter + fossa ($120?)
okapi = zebra + giraffe (900 coins)
rock agama = horned toad + brown basilisk (22,000 coins)
Scarlet snake = rattle snake + albino python ($180,000)
slow loris = sloth + capuchin monkey (1,800 coins)
spectacled bear = bear + skunk (3,200 coins)
sugar glider = flying fox + ringtail lemur (3,000 coins)
tasmanian devil = bear + capybara (5,400 coins)
Tigerous = tiger + rhino
walrus = sea lion + elephant (1,500 coins)
wildebeest = manx sheep + hippo (62,000 coins)
leatherback turtle = turtle + leopard gecko (150,000 coins)
one or both parents require a gem animal
canada lynx - snow leopard + lynx (59,000 coins)
cassowary = flamingo + ostrich (114,000 coins)
clouded leopard = snow leopard + jaguar (940 coins)
flying frog = scarlet macaw + tree frog (11,000 coins)
golden lion tamarin = red-shanked douc + lion (2,200 coins)
kiwi = kakapo + ostrich (60,000 coins)
leopard seal = snow leopard + harp seal (14,000 coins)
LuckyBear- Silverback Gorillas + Bear (22 gems)
Mink = fossa + river otter
scarlet ibis = scarlet macaw + golden pheasant (890 coins)
sea turtle = snapping turtle + turtle (60,000 coins)
sitatunga = white-tailed deer + big horned sheep (26,000 coins)
tamandua = aardvark + giant anteater (26,000 coins)
tapir = aardvark + hippo (30,000 coins)
require gems
baiji dolphin = butterfly fish + bottlenose dolphin (24 gems)
california condor = bald eagle + ostrich (9 gems)
cheetah = snow leopard + gray wolf (53 gems)
crested penguin = puffin + penguin (20 gems)
elephant seal = elephant + harp seal (20 gems)
liger = lion + tiger (7 gems)
pangolin = armadillo + giant anteater (22 gems)
Perentie = Leopard gecko + flying dragon (costs 18 gems)
platypus = flamingo + sea otter (37 gems)
red panda = panda + red fox (9 gems)
snapping turtle = crocodile + turtle (18 gems)
spider monkey = capuchin monkey + red-shanked douc (21 gems)
toucan = scarlet macaw + puffin (13 gems)
tree kangaroo = kangaroo + capuchin monkey (42 gems)
wombat = kangaroo + bear (9 gems)
golden jackal = african wild dog + dingo (24 gems)
mythical/extinct creatures
chimaera = lion + rattlesnake (30,000 coins)
dodo = golden pheasant + ostrich (95,000 coins)
elephant bird = great blue heron + ostrich (20 gems)
flying monkey = bald eagle + capuchin monkey (2,000 coins)
gargoyle = flying fox + capuchin monkey (20 gems)
gryphon = bald eagle + lion (35 gems)
jackalope = impala + jackrabbit (287,700 coins)
lucky bear = shamrock gorilla + lucky bear (22 gems)
mammoth = polar bear + elephant (140 coins)
meermoose = moose + meerkat (8,200 coins)
minotaur = silverback gorilla + big horned sheep (10,000 coins)
pegasus = arabian horse + bald eagle (30,000 coins)
quagga = arabian horse + zebra (23 gems)
rattlemonkey = rattlesnake + capuchin monkey (28 gems)
scarlet peacock = scarlet macaw + peacock (800 coins)
tasmanian wolf = kangaroo + gray wolf (200 coins)
tigroceros = tiger + rhinoceros (7,200 coins)
Red chameleon = chameleon + brown basilisk ($125,000)