Shocking discovery: Electric eels hunt in packs in Amazon rivers By Sofia MoutinhoJan. 14, 2021 Social predation spotted for the first time among these animals
The legendary dire wolf may not have been a wolf at all By David GrimmJan. 13, 2021 North America’s “top dog” traveled a lonely evolutionary path
How many mice and rats are used in U.S. labs? Controversial study says more than 100 million By David GrimmJan. 12, 2021 Total figure is more than seven times some estimates, but critics say analysis is flawed
A single genetic switch can lead to rapid evolution in sea anemones By Elizabeth PennisiJan. 12, 2021 Powerful evolutionary mechanism may have helped them colonize the seas
Captive gorillas test positive for coronavirus By Ann GibbonsJan. 12, 2021 First case of COVID-19 in endangered apes detected at San Diego wildlife park
Guam’s invasive tree snakes loop themselves into lassos to reach their feathered prey By Tess JoosseJan. 11, 2021 New “lassoing” technique has never been seen before in snakes
Are monarchs endangered? Scientists debate as United States mulls protection By Elizabeth PennisiJan. 8, 2021 Iconic species’ complex life history confounds assessments of its decline
Video reveals why woodpeckers don’t get stuck to trees By Elizabeth PennisiJan. 7, 2021 Birds have mastered a subtle trick
Dismay greets end of U.S. effort to curb spread of tree-killing beetle By Gabriel PopkinJan. 7, 2021 States, tribes oppose federal move to end quarantines and rely on tiny wasps to fight emerald ash borer
Watch a moon jellyfish make walls of water to glide along By Tess JoosseJan. 6, 2021 Strategy provides extra push through water
Watch this ‘nonswimming’ bird swim like a champ, giving clues to evolution of penguins By Elizabeth PennisiJan. 5, 2021 Finding suggests the bird transition from air to water may have been easier than thought
Galloping sea lions could inspire land-sea robots By Elizabeth PennisiJan. 4, 2021 Amphibious marine mammal quite agile, even on land
Will climate change make animals darker—or lighter? By Sam KeanDec. 30, 2020 Debate erupts over long-standing belief that warmer temperatures favor darker variants
How voracious antlions engineer deadly sand traps By Emily HarwitzDec. 29, 2020 Funnel-shaped pits capture prey when antlions add some extra sand
Even as young adults, male chimps are ‘mama’s boys’ By Isabella BackmanDec. 21, 2020 Close mother-son ties remain as chimps age, researchers find
Do we need a COVID-19 vaccine for pets? By David GrimmDec. 18, 2020 Cats, dogs, and other animals can get the pandemic coronavirus, but vaccine efforts are not moving at warp speed