A genetic sampling of more than 300 mountain lions in southern California, including within the Santa Monica Mountains National Recreation Area, shows the big cats lack genetic diversity.
Padre Island National Seashore in Texas is home to one of the largest nestings of rare Kemp's Ridley sea turtles. And it also sees a number of other turtle species throughout the year, as well. And sometimes, when those turtles show up in the winter months, cold snaps can stun them. You can learn how to deal with a stunned turtle by attending a park lecture later this month.
With a small, isolated population of pupfish at Death Valley National Park facing a 30 percent chance of going extinct by 2034, a University of California scientist is suggesting a more aggressive captive-breeding program for the fish.
Yosemite National Park long has had a history of problems between visitors and the park's black bears, but those appear to be a thing of the past. Since 1998, officials note, bear incidents that have generated personal property damage have dropped by 95 percent.
Environmental organizations are claiming a victory over a settlement that will indefinitely close some off-road vehicle trails in Big Cypress National Preserve until officials can complete their Backcountry Access plan.
Fall brings so much to the national parks, with changing colors blanketing the landscapes, visitor loads dropping, and wildlife on the move, both for migration and, for some, the annual rut. And that rut can make wildlife such as elk, moose, and bison unpredictable and especially dangerous to park visitors who wander too close to these big animals.
Gunshots could soon be echoing across the Antietam, Monocacy, and Manassas national battlefields near the nation's capital as National Park Service personnel work to bring down populations of white-tailed deer that are far above numbers that can interfere with natural revegetation on the landscape.
A unique and beautiful area of Great Smoky Mountains National Park is temporarily being closed to visitors in an effort to protect bats that enter caves there.
Wind Cave National Park rangers will be leading tours this month to listen for the bugle of the Rocky Mountain elk. The elk’s high-pitched whistle heralds the arrival of fall and the elk’s mating season.
Whether you're a serious bird watcher or just have a casual curiosity about the avian world, there's a good chance that at some point in a park visit you've wondered, "What bird was that?" If you're a smart phone user, a free app from the Cornell Lab of Ornithology dubbed "Merlin" can help provide the answer.