Tag Archives: extinct

[ad_1] At the end of the Pleistocene (between 125,000 and 12,000 years ago), two species of wanderers roam Europe: the omnivorous brown bears (19459002) and the cave bear ( Ursus spelaeus ). …

[ad_1] There are many risks involved. Researchers will test their approach using southern rhinoceroses as substitutes, but a complicated procedure (females must be anesthetized for two hours) and a limited amount of …