Tag: body condition

August 16, 2021

Saltier water affects survival of Everglades crocs

The Everglades are home to North America’s only population of crocodiles, but the increased saltiness of the water in some areas has slowed their growth and negatively affected their body...

June 5, 2018

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 dens in the springtime on the...

February 22, 2018

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. The deep snow...