article_snippet.sent: It was previously thought that the hairy beast simply died out from post-Ice Age climate change and being hunted to extinction by early man.
article_snippet.sent: All but a few isolated island populations disappeared between 20,000 and 10,000 years ago.
article_snippet.sent: However, some experts argue that global warming helped make the giant creatures extinct between 20,000 and 25,000 years ago.
article_snippet.sent: Today, it's thought that a combination of factors led to extinction.
article_snippet.sent: Most experts say warming temperatures - twinned with rising sea levels - following the last Ice Age all but wiped out their traditional habitats about 20,000 years ago.
article_snippet.sent: However, others say others lived long past this era and were finally hunted to death by early humans, with remains found in the Russian Arctic showing others existed just 3,700 years ago.