Researchers’ simulations suggest that small population sizes and inbreeding made Neanderthal populations vulnerable to chance fluctuations in population size.
In the last year, the butterfly’s eastern group has more than doubled its hibernation area while the other population waned. Plus, researchers are moving trees to save monarch habitat.
Researchers plan to relocate mainland wolves to an island in Lake Superior in an effort to boost the near-extinct predator population and limit the growth of local moose herds.