Mammals Bill Nye, the Science Guy : Season 3 Episode 13
TV-Y PBS 30m int(0)
Aired: September 8th, 1995 @ 7:00 PM EST on PBS
Mammals - They're (sometimes) big, they're hairy, and they're warm-blooded. From human being to moose and from cats to rats, Bill Nye explains what it takes to be in the mammal family.