Weasels, Wolverine, Martens otters, skunk, and badgers, are in the family Mustelids. 

 They are the most successful and diverse carnivores.

 Mustelids are found almost in every type of habitat including forest, deserts, tundra, fresh and saltwater.

 Mustelids are very aggressive hunters and will often tackle prey much bigger than themselves.

There are six species of otters.

Seven species of skunk.

Seven species of badger

Five species of Martens

Four species of weasel

One species of Wolverine.