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 ...
body condition
JWM: Winter conditions stress pronghorn the next summer
The Red Desert of south-central Wyoming has long been known for robust pronghorn populations, but in the last two decades, herds have diminished up to 30 percent. ...