Study shows loss of 15-42 percent of mammals in North America
Friday, December 18, 2009 - 10:35
in Paleontology & Archaeology
If the planet is headed for another mass extinction like the previous five, each of which wiped out more than 75 percent of all species on the planet, then North American mammals are one-fifth to one-half the way there, according to a University of California, Berkeley, and Pennsylvania State University analysis...