wild count down, jack hannah, you brought special friends as he usually does.kangaroo. >> steve: why is he licking eric? >> he was trying to breast-feed over here. >> gretchen: that's why eric is holding him now, because i was the mama in the house. >> it has three babies at one time. one leaving the pouch at six months. then breed the same day. >> eric: this guy will get big? >> the mother pushed out of the pouch. she does that sometimes. they get five feet tall. you call a group of them a mob. they go 30 miles an hour, hop about 30 miles an hour, hop 25 feet at a time. >> steve: the baby is a joey? >> a joey. exactly. it's marsupial. raised in the pouch. not the mommy's tummy. it attaches to the breast and stays up to six months. >> gretchen: next on the list, the otter? it doesn't have a name. does this otter have a name? >> steve: let's call it opie. >> what you're seeing here is almost extinct in the wild. this is the arian river otter, a baby. the aquarium association, these are on the ssp. they're very, very rare. they're eating shrimp. they hunt these f