Tag: energy

Grizzly bears in Yellowstone National Park prefer to save energy by traveling on flatter paths — the same places park visitors like to hike. Researchers wanted to find out more...

Pumas’ fear of humans causes them to spend more energy avoiding them, which could ultimately reduce the sizes of their home ranges. “We know that humans impact mountain lions and...

Street lights can change the amount and quality of sleep that pigeons and magpies get at night, affecting their energy in the morning. “Light pollution has been getting more and...

The Bureau of Land Management will allow increased oil and gas drilling in the National Petroleum Reserve in Alaska. The BLM released a final Environmental Impact Statement for the reserve...

Detecting wildlife deaths at wind turbines isn’t an easy job. Researcher Shawn Smallwood had been at it for 20 years, and he felt humans missed so many carcasses, detection dogs...

Shale gas development can benefit some songbird species, but for others, many of which are already threatened, it may be causing further declines. In a recent study published in The...

Mockingbirds (Mimus polyglottos) are known to be a territorial species, but researchers recently found that the presence of lead in the environment can make them even more territorial and aggressive....

The Bureau of Land Management is offering for lease 2.85 million acres in the National Petroleum Reserve-Alaska (NPR-A) next month. It will be the 14th lease sale there since 1999,...

Insectivorous birds, which make up more than 6,000 species around the world, use as much energy as a megacity the size of New York, according to new research. In a...

With declines in sea ice that polar bears (Ursus maritimus) in the arctic require to subsist, researchers have seen accounts of bears traveling farther north. But what do these longer...