What is a yaks adaptations?

Do lions lose their teeth? What bird spends all his time on his knees? Can grass snakes go into sea water? What animals or parts of animals were used to make glues? What digs holes? When does rooster become fertile? Where are rats eaten as a delicacy? How many tons does a baby elephant weigh? What swamp animals eat raccoons? How much water does the average pig drink a day? What is protochord? Why does protococcus usually grow more heavily on the northern side of trees? How do elephants adapt to the savanna? What animal is a scavenger? What kind of disease which produce tumors on skin of grey and fox squirrels that is now spreading in red squirrels? What is the difference between cladistic and traditional taxonomy? Are scopions nocturnal? Do only goats and sheep get scrapie disease? How do you leg yield? How old was pippin the dog when he died?