Within days of Yosemite National Park officials warning visitors it was illegal to fly drones in the park, volunteers at Zion National Park in Utah say they saw a drone harassing wildlife in their park.
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Bears have been acrobats in circuses for generations, and watching this black bear sow and her cub at Big Bend National Park, it's obvious their talents come naturally.
Grand Teton National Park is an open-air zoo of sorts, with bison, pronghorn antelope, eagles, and other wildlife usually in view wherever you find yourself in the park. But there is one slice of Grand Teton that is more productive when it comes to spotting animals.
Officials from Badlands National Park in South Dakota are hosting open houses this week to consider a proposal to release bison on the South Unit of the national park.
A disease that afflicts sea stars has taken root in Pacific waters from Alaska down to California, including portions of Redwood National and State Parks. Biologists say this year's mass mortality tied to the disease is "unprecedented."
Timing often is happenstance, but with Earth Day arriving next week, word of high mercury levels in fish in national parks from Alaska to Colorado is particularly sobering. In some cases, the levels exceed limits OKed for human consumption.
A small number of fish released into the Colorado River within Grand Canyon National Park hopefully will turn into tattletales.
Sierra Nevada Bighorn Sheep Again Roaming Great Western Divide In Sequoia, Kings Canyon National Parks
It took the help of a helicopter, but Sierra Nevada bighorn sheep are once again roaming the Great Western Divide that forms part of the border between Kings Canyon and Sequoia national parks.
At Isle Royale National Park, where the island's wolf population has been in slow decay for years, park officials have announced plans to take a thorough look at options for preserving wolves on the landscape.
How healthy is Yellowstone National Park's moose population? That's a question a husband-and-wife team from Vermont hopes to answer over the course of a three-year study into the animals.
The bison management plan that governs how Yellowstone National Park bison are managed when they leave the park could be revised under a proposal Park Service and Montana officials are exploring.
Incubating eggs in the harsh coastal expanses of Kenai Fjords National Park and Preserve in Alaska is tough business to start with, and with predators on the prowl, it becomes even more difficult to rear a brood.
Not too many years ago there was a study that identified the type of vehicles Yosemite National Park's bears liked to break into for a meal. Now a new study says improved efforts to keep bears away from human foods has been a tremendous success in the park.
Three bison were shot and killed inside Yellowstone National Park within the last week, leading park officials Tuesday to ask the public for help in finding the person or persons responsible.
A female wolf that crossed from Isle Royale National Park to Grand Portage National Monument via an ice bridge across Lake Superior was killed by a pellet gun wound, according to veterinarians.
Where can you drive, and even walk, on the beaches of Cape Hatteras National Seashore this spring? You'll soon know, as seashore crews will be identifying prenesting areas for piping plovers, Wilson's plover, American oystercatchers, and other colonial waterbirds.
What looks like a crocodile and moves like a crocodile, but doesn't belong in Everglades National Park?
The annual reduction of bison from Yellowstone National Park has ended, with an estimated 600 of the iconic animals removed from the park's herds via hunting or culling.
The National Park Service, responding to the state of Alaska's liberalized hunting seasons for predators, is proposing to shorten the hunting seasons in some of its units in the state.
Spring can't be far off, as grizzly bears are starting to stir in the greater Yellowstone ecosystem, a development that hikers, skiers, and snowshoers should take note of.
Mammoth Cave National Park officials say bats infected with a deadly disease have been found in sections of the cave open to public tours.
Desert Bighorn sheep just might be the wildlife attraction at Zion National Park in southwestern Utah. And while the herd has grown quite a bit in recent years, park officials want to get a better grip on managing the animals.
Anyone with Internet access will be able to follow two osprey as they nest in and around Rocky Mountain National Park thanks to a cooperative program designed to follow the birds from their breeding grounds to their wintering grounds.
California's 101 Freeway is turning into a killing zone for mountain lions, as three kittens have been killed by traffic on the highway in recent weeks, according to Santa Monica Mountains National Recreation Area officials.
The need to prevent national park units from turning into biological islands, cut off from other wild lands by development, is not a new worry. But a recent study reinforces the value of ensuring migrational corridors survive.
An elephant that attacked a vehicle in Kruger National Park in South Africa late last month was put down because it posed a risk to other park visitors, park officials said.
Saying it doesn't "make sense," Yellowstone National Park officials have opted not to use a "remote vaccination" program in a bid to prevent the spread of brucellosis on the park's bison herds.
Around The Parks: Ice Bridges At Isle Royale, Sea Turtle Record At Dry Tortugas, Scotty's Castle Delays
Watching Lake Superior ice at Isle Royale National Park, counting sea turtles at Dry Tortugas National Park, and road work woes for Scotty's Castle visitors at Death Valley National Park are just some of the other stories around the National Park System this week.
Inbreeding, long seen as a problem with the Florida panther population in Big Cypress National Preserve in Florida, is evoling into more of a problem with mountain lions in Santa Monica Mountains National Recreation Area in California.
Condor No. 299, arguably the most-viewed condor in Zion National Park, has died. The bird's body was found in a remote canyon southeast of the park.
Christmas is past, but counting birds is not. At Death Valley National Park, the annual Christmas Bird Count is scheduled for this coming Saturday.
It's been a century since bison were returned to Wind Cave National Park via a recovery program for the shaggy animals, and while they're thriving, overall, in the park, motorists are proving to be a great threat to them.
A debate over whether the wolverine needs Endangered Species Act protection has prompted the U.S. Fish and Wildlife Service to extend its deadline for making the decision on that question.
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.
Bottled-up genetics lead to problems, as evidenced by the inbreeding woes of the wolves at Isle Royale National Park. Though mountain lions that roam Santa Monica Mountains National Recreation Area aren't as inbred as those wolves, the lack of genetic diversity is a growing concern.
The world of the Florida panther will be celebrated later this month during the Third Annual Florida Panther Festival, a family-friendly event designed to shed light on the plight of the endangered Florida panther through unique interactive activities.
The precarious future of wolves on Isle Royale National Park will be the subject of four public meetings this month.
Elk culling resumes Tuesday in Theodore Roosevelt National Park in North Dakota and will continue for a month as officials try to maintain an elk population between 100 and 400 animals.
A young humpback whale came ashore at Cape Hatteras National Seashore on Wednesday and died overnight, according to seashore officials.
Fall is speeding our way, and for wildlife, that means it's time to pack on the calories. In western national parks such as Yellowstone, Grand Teton, and Glacier, that means bears are on the prowl looking for some good meals.
If you still need to checkoff the Least, or Roseate, terns from your birding life list, or simply like to watch birds, you might consider visiting Cape Cod National Seashore as those species are staging there in advance of their migration south.