(Scene from Canada: A People's History ... Even their hunting tools came from the animals they killed -- fashioning bows from musk-ox ribs and knives from caribou antlers. In summer, the men ...

Climate change and human hunting have led to the animals ... of musk oxen in Siberia began 50 years ago. In 1974, Canada's government donated 10 musk oxen to the Soviet Union.

Climate change and the hunting have led to their extinction in the region. The reintroduction of musk oxen into Siberia began 50 years ago. In 1974, Canada presented the Soviet Union with 10 musk ...