Worldenders (giant dragons, firebreathing, solitary)

Hoarders (mostly chill, highly territorial, hibernate a lot, metallivores)

Stormchasers (car-sized, more afraid of you than you of them, move in flocks)

Homewings (dog-sized, most are domesticated, high energy but playful)

Housescales (kitten-sized, originally pests, only some domesticated)