Biologists knew that orcas can take down some big prey. What they didn’t know was if they could take down the biggest prey. There were stories of orcas preying on blue whales, the largest animal …
Around Jackson Hole, Wyoming, people are changing the ways wolves prey on elk, sometimes acting as a shield for the prey against their predators. Ungulates, like elk, in the area are increasingly using human-dominated landscapes …
Deer collisions with vehicles dropped an average of 24% in Wisconsin counties where wolf populations have returned. Researchers believe the gray wolves (Canis lupus) created a “landscape of fear” that kept the white-tailed deer (Odocoileus …
At a Marine Corps base in the Mojave Desert, biologists were finding that as ravens (Corvus corax) were increasing, endangered Mojave desert tortoises (Gopherus agassizii) were declining. Historically, ravens had trouble surviving in the desert …
Crafty kangaroo rats really put the kick into their jump when attacked by venomous vipers. According to new research conducted with the help of high speed video cameras, the desert kangaroo rat (Dipodomys deserti) has …
As University of Michigan biologists were walking a night transect through the Amazon rainforest in Peru, they came across something they had never seen before. Spotting a tarantula the size of a dinner plate consuming …
Take a cruise from the equator to the poles and you might notice some important changes in marine ecosystem. Species diversity is greater in the tropics, and it dwindles as the climate becomes colder. But …
Idaho and Washington’s forests are home to only six remaining caribou (Rangifer tarandus), but soon they will have none at all. That’s because the caribou will soon be introduced to their new home in Canada. …
For thousands of years, Australia’s Aboriginal people have sung stories about sacred “firehawks” — raptors that, according to lore, use fire to hunt and introduced fire to humans. Now, merging traditional knowledge, firefighter reports and …
Imagine baby turtles flapping their flippers on miniature treadmills before going for a swim in bright pink bathing suits. That was the scene in a Florida lab as biologists tried to mimic the experience of …
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