text: Climate may have been bison #39;s main killer, not man WORK by a British scientist may show that humans were not responsible for the bison almost becoming extinct in the 19th century, it was disclosed yesterday.
inputs: Climate may have been bison #39;s main killer, not man WORK by a British scientist may show that humans were not responsible for the bison almost becoming extinct in the 19th century, it was disclosed yesterday.