If it seems like there are more dog breeds around today than anybody could possibly count, consider this: there used to be a whole lot more, and many went extinct.

All dog breeds are the result of human domestication, and these long-gone types served many of the same roles as their contemporary counterparts: companions, hunting buddies, and watchdogs. Here are some of the most interesting dog breeds that no longer exist today!

1.  The now-extinct breed known as the talbot, an ancestor of the coonhound and the beagle, was bred for its remarkable sense of smell. Experts have compared its abilities to those of the modern bloodhound.