1: In this universe, they are NOT animals: Yeah, all characters are a humanoid of some kind (except angel bunny or Tank) So here's the list of Species Names:
Ponies: Mytho
Alicorns: Avatar
Unicorns: Elves
Pegasus: Sylphs
Earth Ponies: Pixies
Crystal Ponies: Crystal Mytho (technically Atlantian)
Bat ponies: Bat Mytho
Umbrum: Scotuseans
Donkey: Hobgoblin
Mule: Brownies
Zebras: Zebricans
Horse: Human
Breezies: Never Fairy (small fairies)
Changelings: Same
Kirin: Kirinites
Hippogriff/Seapony: Raptorans/Seamyhto
Dragons: Zmeu
Giraffe: Girafficans
Sea Lion: Aqua Lionite
Parrot: Aarakocra
Cat: Were cat
Meremares: mermaids
Diamond Dogs: Same
Tortoise Folk: Kurmites
Griffon: Aasimar
Lizard Folk: Same
Fish folk: Mastyans
Shark Folk: Sea Trolls
Deer/Reindeer: Cornutes/Carnonosianas
Mountain Goats/ Goats: Satyr/Pan
Yak: Basajaun (male); Basandere (female)
Minotaur: Same
Salamander Folk:
Pig Folk:
Tapir Folk:
Mouse Folk: Were mouse
Rat Folk: Were rat
Naked Mole Rat Folk:
Draconequus: Draconfabulas
Cyclops: Same
Sirens: Same (though they call themselves sirenas {see-ray-nas}
Gargoyle: Same
Ram (ibex? goat?):
Buffalo: Kachina
Hippo:
Eel Folk
hedgehog Folk:
Storm Creatures:
Storm King:

****Also for all the ones that don't currently have names, i am taking requests.