that's what bud christianson calls it. >> they are like squaring up and everything. >> i know. this is what he came upon in his backyard in michigan. they have a referee. >> it's mom. and she is completely and totally uninterested. >> this is very human-like. standing up and slapping at each other and flipping over each other. their hands are just -- it's awesome. >> great. >> if you think that video is cute check out this sfrids juken. this involves a little baby who has learned how to crawl. >> right out the doggy door. >> and attempting to get out and gets help because she can't make it all the way through by herself. there is someone who comes to her aid. that is the family dog. gives her a nudge. >> oh. >> she's okay. looks like she's going to fall, but no, just gave her the nudge she needed. and she's out the doggy door. so you know what that means. the dog and baby have to be watched around the door because i think these two could get into hijinks and run down the street together. >> they're partners in crime. you can tell already. >>> it's getting hot out there, right.