JWM: Denali grizzlies self-regulate their population
In the 1990s, researchers at Alaska’s Denali National Park began noticing something strange. Many of the adult female grizzly bears (Ursus arctos) emerging from ...
cubs
Cubs stay with their mothers longer to avoid hunters
For brown bear cubs, it pays to be a mama’s boy or girl. Researchers recently found that brown bear (Ursus arctos) cubs in south-central Sweden stay with their ...
Who eats faster, male or female cheetahs?
How do mid-sized predators stay safe at meal times, despite larger predators lurking on the landscape? For cheetahs (Acinonyx jubatus), the answer depends on age ...