Why do groundhogs crew on sticks and trees?

Does convergent evolution lead to the DNA similarities of chimpanzees and humans? Your old 10 year old dog is throwing up wont eat and is acting sick is there anything you can do for him or give him Its been going on for about 2 days he is actually better now? Who is Philip the hedgehog? What sea creature resembles a knight in chess? How do you keep frogs from digging in the dirt of a flower pot? What is a geographic location for a brown bear? How many snow leapards are left in the world? Is the skunk population going down? Are avacados poisonous to pigs? What would a 9 year old better a guinea pig or a ferret? What animal does a lion avoid? What kind of eucalyptus trees do koalas eat? What does a normal dolphin look like? How big are cats eyes? What is The Japanese elephant Indian god that isaak prays to? Why do Australians call horse trailers floats? How much is a giraffe in Us dollars? Why do snow leopards have spots? Do dogs excrete? Is 11lb to much weigh for a 8 month old yorkie?