Spring hounds are the analog for dogs on Aurum, occupying a similar niche to wolves. They became domesticated a lot later than ours did, having become genetically distinct from their ancestors about 20,000 years ago. Because of this, along with other factors, they aren’t as physically diverse as our dogs are, but they fill many different niches and do have distinct breeds.

You can read more about them here!
https://lichpassing.tumblr.com/post/747427863600529408/lets-talk-about-spring-hounds