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Nobody is exactly sure where the ÒCanis familiaris Ó came from, it isnÕt originally from Austrailia but arrived between 3,500 to 4,000 years ago. The oldest fossil is dated at about 3,400 years old. It is thought that the is from the same family as the In ....

Middle of Essay
.... that they rarely leave. families may co-operate to catch large animals. es chase their prey. They wear them out in a long chase because they arenÕt very fast runners. Large animals are chased until the es can catch them or until the weaker ones drop back. es donÕt always get their prey, however kangaroos can lean back on their tails and kick hard enough to rip open a Õs stomach. The gestation period of the is about 63 days, and the litters average about 5 to 8 pups. After 2 weeks, the mother will throw up food for the pups to eat. After 3 weeks, both parents will bring food to the den. Prey around the den is left for the pups to pra ....