I felt the need to link to The sneezing baby panda.
Lol^^ I pity the mother who was so peacefully gnawing her bambus.. There was a related link to the most pathetic baby panda, maybe you already saw it but it's funny too.
Kangaroo mouse: order Rodentia, family Heteromyiade Gerbil: order Rodentia, family Muridae
They're already splitting at the family level, so they surely aren't the same. I'm not sure if the picture I posted is a kangaroo mouse or a gerbil though, maybe that's where the confusion comes from.
I would have to say that baby rabbits are the cutest animals. I had a family of rabbits living under the swing set in my back yard last year, and they were SO cute.