Does air-gun noise harm marine mammals? Do seismic air-gun arrays, in routine practice, cause significant and harmful impacts to marine mammals? Biologists, acousticians, geophysicists, and gover... J Caldwell - 《Leading Edge》 被引量: 24发表: 2002年...
Why Diving Marine Mammals Resist Brain Damage From Low Oxygen - Could Point The Way For Stroke TreatmentsTim Stephens
They have a bad reputation, but are they really dangerous? After all, a cow is more likely to kill you than a shark [source: Faletto]. But nobody is making movies about deadly cownados. For many, sharks represent the unknown and the unknowable. Any shark that measures more than 6 ...
The spectacle of North America's most significant peak, Denali (formerly Mount McKinley), is a close second, but wildlife is the main attraction in the 6 million-acre park. There are 39 species of mammals to check out at Denali, but the Big Five—moose, caribou, Dall sheep, wolves, an...
in disko bay, west greenland. according to ecologists, all of these animals are susceptible to sea ice loss . research at lower latitudes has also shown that marine mammals can be affected by noise from vessels because of their reliance on sound, as well as by ship strikes . these ...
From Neil Jones, who is using his new camera and doing good work for conservation. The photo was taken atCaeau Ffos Fach(Little Ditch Fields) near Cross hands in South Wales. This mating pair ofRinglet butterflies(Aphantopus hyperanthus) landed on my hand. It almost seems they knew I was...
(Megaptera novaeangliae) are formidable giants. But their immensity doesn’t hinder their athleticism—humpbacks are very active at the water’s surface. The whales slap their tails, flap their pectoral fins, and jump vertically out of the sea—a behavior called “breaching” that is rare among...
"We are living through an era of rapid environmental change and biodiversity loss," Wilson adds. "Understanding the mechanisms that led to the current spatial distribution of biodiversity is critical to conserving it for future generations."
General SVR added: “At about 9pm Moscow time, security officers of Russian President Vladimir Putin, who were on duty at the residence, heard noise and sounds of falling coming from the president’s bedroom.“Two security officers immediately followed into the president’s bedroom and saw...
However, this means that the bats can no longer stand on their back legs. The pressure is too much for the small bones. As a result, they have lost the ability to run on their back legs as well. The drop and fly theory When you watch a bird take off from the ground, you will ...