A long-term study of desert tortoises in Joshua Tree National Park indicates that drought and climate change are behind a decline in their population, according to the U.S. Geological Survey.
Yellowstone National Park is a fully functioning ecosystem, one constantly in motion as wildlife populations ebb and flow, climate slowly changes, and geologic processes continue. Details of some of those changes are reflected in the park's 2013 Natural Resource Vital Signs report.
Though located in the arid landscape of the Colorado Plateau, the area around Canyonlands National Park attracts a lot of birds and provides valuable habitat for species such as the Mexican spotted owl. As such, the area has been identified as a "Globally Important Bird Area" by the National Audubon Society
Authorities are investigating the apparent shooting death of an endangered Florida panther in Big Cypress National Preserve.
With Roseate Spoonbills heading to Everglades National Park for nesting, park officials have temporarily closed two areas of the park to provide some protection for the birds.
Denali National Park Visitors Seeing Fewer Wolves Along Park Road, Possibly Due To Increased Hunting
A precipitous drop in wolf viewing opportunities for Denali National Park visitors is being attributed to increased hunting of the predators on lands next to the park, though Park Service personnel haven't publicly voiced that connection.
Sea turtles nesting this year at Cumberland Island National Seashore added more than 43,000 hatchlings to their populations, according to seashore estimates.
It's that time of year at Hawaii Volcanoes National Park. Yep, the breeding and nesting season of the endemic Hawaiian goose, or nēnē, has arrived.
Great Smoky Mountains National Park officials have defended their decision to put down a young bull elk who took to butting a photographer sitting on the road in the Cataloochee Valley.
While many long to see mountain goats in the wild, at Grand Teton National Park biologists are trying to figure out how to deal with non-native goats that pose a threat to the park's bighorn sheep.