Florida’s crocodiles were vanishing for months, and researchers couldn’t explain why. The reptiles, once thriving in the state’s waterways, had seemingly vanished from their usual habitats, leaving scientists scrambling for answers.
The American crocodile is one of the most elusive large predators in the United States. Unlike its more common relative, the alligator, it typically avoids humans and has no documented fatal attacks on people in the country’s history. In recent years, however, a series of unusual deaths and disappearances in the Florida Everglades pointed to a new threat that researchers did not initially understa…
Wildlife managers in the greater Yellowstone ecosystem have documented a previously underestimated pattern of natural mortality among adult grizzly bears. Research indicates that wolves, mountain
Wildlife managers in the greater Yellowstone ecosystem have documented a previously underestimated pattern of natural mortality among adult grizzly bears. Research indicates that wolves, mountain lions, and other grizzlies are killing adult bears more often than the models used to manage the population had accounted for, and a small number of deaths remain unexplained.The grizzly population in Yel…
Wildlife researchers in southern Florida faced an unexplained problem in the early 2000s: adult American crocodiles were disappearing from the mangrove channels where they had lived for years. These
Wildlife researchers in southern Florida faced an unexplained problem in the early 2000s: adult American crocodiles were disappearing from the mangrove channels where they had lived for years. These were not young or marginal animals. They were dominant individuals that occupied the best territories in the region, and boat captains who had worked the same waters for two decades could identify them…