They hunted and trapped animals to get the fur.
The animals were all trapped out and couldn't be found.
Animals trapped for the fur trade, (even those whose fur was used for felt hats like beaver) were killed and skinned. Probably preferable to being skinned alive. Beavers were generally trapped using methods that resulted in them drowning.
The earliest to go west were the fur trappers. They were following the small animals that they trapped for their pelts.
The Northeast and Canada. They trapped so much that whole areas were trapped out so they kept moving west to find more animals.
A number of animals are valued for their fur. Around here, coyotes, fishers, mink, otter, ermine, beaver, raccoon, muskrat, and a few others are trapped and/or hunted for fur.
Fur trappers trap animals and they may die in their traps before the trapper-hunter comes to collect the fur and the bodies. If the trapped animals are not dead the trapper cannot avoid killing the animal. The killing must be done carefully so as not to damage the animal's fur.
Animals in the Arctic region have white fur to camouflage them agaisnt preditors and prey. This is not because snow gets trapped in their fur, it's because they are adapted to arctic conditions. Their fur is also very thick to keep them warm.
Beaver and muskrat were the two most trapped animals, however fox and mink were caught by the thousands.
they went to hawaii and traded iron but went to china to trade fur.
Air is trapped between the hairs of the animal's fur, and the body heat of the animal warms that air. Thus, the animal has a layer of warmed air next to their skin keeping them warmer than if they had no fur.
Air trapped in their fur keeps them warm