At a Marine base, tortoises decline while ravens thrive
At a Marine Corps base in the Mojave Desert, biologists were finding that as ravens (Corvus corax) were increasing, endangered Mojave desert tortoises (Gopherus ...
predation
Watch: Kangaroo rats use high speed kick flips to elude vipers
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 ...
Video: Biologists record opossum-eating tarantula
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. ...
In icy regions, researchers find polar opposite in predators
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 ...
Last caribou in continental U.S. sent to Canada
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 ...
Australian ‘firehawks’ use fire to catch prey
For thousands of years, Australia’s Aboriginal people have sung stories about sacred “firehawks” — raptors that, according to lore, use fire to hunt and ...
Human light disorients and jeopardizes turtle hatchlings
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 ...
Constantly on the hunt, midsize carnivores face unique risks
Medium-sized carnivores may be particularly at risk from environmental changes, an international team of scientists found, because they spend so much of their ...
WSB study: Grassland passerine nest survival goes up in flames
For decades, wildlife managers have used prescribed fires to limit woody vegetation on North America’s grasslands, maintaining them much as natural fires once ...
Sea-level rise: Predation to affect seaside sparrows more than flooding
When Elizabeth Hunter was doing her dissertation at the University of Georgia on the effects of sea-level rise on coastal birds, including seaside sparrows ...