How do we know the wooly mammoth had fur?

"Since the wooly mammoth died out 10,000 years ago, and all we have are skeletal remains, how do scientists know the mammoths were "wooly"? read more

There are at least three reasons for us to conclude wooly mammoths had fur: We've found specimens that were preserved frozen in permafrost, complete with fur. We've found human art depicting various animals, so we know what mammoths looked like to them. read more

Besides their long, shaggy coats, Woolly Mammoths are famous for their extra-long tusks, which measured up to 15 feet on the biggest males. These huge appendages were most likely a sexually selected characteristic: males with longer, curvier, more impressive tusks had the opportunity to pair up with more females during mating season. read more