Hi

Pink orange green 
Green pink orange tropical fruits only mice

Easy
fox, hedgehog, mole, brown bunny, grey squirrel, wren, wagtail, chaffy, cuckoo, raccoon, hare, singing bush lark, skunk, gecko, camel, donkey, deer and magpie

Intermediate
Tortoise, Lop bunny, meerkat, road runner, armadillo, piglet, ostrich, chipmunk, coyote, wolf, bee eater, guinea pig, giraffe, woodpecker, barn owl, zebra, crane, toad, blue jay, seal, king penguin, puffin, walrus, platypus, otter, sea lion, Llama, chickadee, prairie dog, Aardvark, gazelle, leopard, oriole, bandicoot, sugar glider, Hippo, roo and wallaby

Advanced
red squirrel, waxwing, kiwi, porcupine, fairy pink armadillo, badger, Olinguito, nightingale, elephant, Long eared owl, Australian king parrot, pair of magpies, jackdaw, king fisher, ferret, rockoon, froog, snabbit and ping-pong, giant ant eater, tiger, wombat,  koala, taz, giant panda, red panda and gorilla

Did I give you this list? I can't remember. It lists "jumps" with critters.

Advance
Bday Wriggly, Bday Maid, Bday Elephant, Bday Tortoise, Bday Froog, Bday Fox, Bday Baby Uni, Bday Toad, Bday Badger, Bday Uni, Bday Kinkajou, Bday Wise Fairy.
Possible jumps--Birthday Wise Fairy goes back to Birthday Fox, then back to Birthday Wrc and continuous on, if starting from Bday elephant it run's through to Bday fox and onwards, their will be a skip on mth's we don't have advanced, so next mth no advanced anyone for instance doing birthday ellie will then skip birthday tortoise to the following mths birhtday froog (as an example)

Extreme
Bday Dodo, Bday TRex, Bday Orangutan, Bday Albino Raccoon

Jumps I know of so far and important to remember.
Toad to tortoise
Gorilla to kingfisher
Jackdaw to Red Squirrel
Bee Eater to Aardvark
Prairie Dog to Gazelle
Magpie to raccoon
Wallaby to blue jay
Cuckoo to Fox
Aardvark to Guinea pig

Theses jumps are very important!