From the eerie echo of a bugling elk to the gentle swoosh of water lapping against a stony shore, a unique combination of sounds helps distinguish each national park. This acoustic environment, as perceived by humans, is ...
Earth Sciences
Oct 16, 2023
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The federal government is proposing to lift threatened-species protections for hundreds of Yellowstone-area grizzlies, opening the door to future hunts for the fearsome bears across parts of three states for the first time ...
Ecology
Mar 3, 2016
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America's national parks are warming up and drying out faster than other U.S. landscapes, threatening iconic ecosystems from the Everglades in Florida to Joshua Tree in California to Denali in Alaska.
Environment
Sep 26, 2018
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U.S. wildlife officials proposed greater protections for two rare insects in Glacier National Park on Monday, saying warmer temperatures caused by climate change are drying up the mountain streams where they live.
Ecology
Oct 3, 2016
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In Channel Islands National Park off the coast of California lives the island scrub jay, a vivid blue and gray songbird with a species population of around 1,700. The rare species makes its home exclusively on Santa Cruz ...
Plants & Animals
Jul 1, 2020
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A bald eagle found dead in Montana's Glacier National Park died of lead poisoning.
Ecology
May 1, 2019
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Toxic contamination from pesticides, the burning of fossil fuels, agriculture, industrial operations and other sources are a continuing concern in national parks of the West, two new studies confirm.
Environment
Jun 23, 2010
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On the mountain slopes of the western United States, climate can play a major role in determining which tree communities will thrive in the harshest conditions, according to new work from Carnegie's Leander Anderegg and University ...
Environment
Feb 25, 2019
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5
American biologist Laura Brennan describes the coin-sized Karner blue butterfly as "very delicate and graceful" with a "lovely blue" coloring and "just a little speckling of orange."
Ecology
May 13, 2024
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