Hmm…
If MLP species had Pokémon types
Earthpony: Grass/Ground
Unicorn: Fairy/Physic
Pegasus: Flying/Normal
Alicorn: Flying/Fairy
Batpony: Dark/Flying
Zebra: Ground/Normal
Dragon: Fire/Dragon
Kirin: Fairy/ground
Nirik: Fairy/Fire
Hippogriff: Flying/Fairy
Seapony: Water/Fairy
Yak: Fighting/Ice
Griffin: Flying/Fighting
Kelpie: Water/Physic
Siren: Water/Physic
True changeling: Bug/dragon
“Reformed” changeling: Bug
Buffalo: Ground/Fighting