A new analysis of fossil footprints suggests that the 2-meter-tall, 4- to 5-meter-long carnivores that left them could run nearly 45 kilometers per hour, bolstering the evidence that at least some dinosaurs were speedy, agile hunters.
Leiden University’s Carel ten Cate tracked down 34-year-old duck recordings—and the man who made them—to verify that musk ducks are capable of vocal learning, an ability that hadn’t been thought to exist in waterfowl.
A single gene called BMP11 regulates not only the size and proportions of a water strider’s massively long third legs, but also how it uses the limbs in fights.
The cephalopods resisted temptation for up to 130 seconds to earn their favorite food, hinting at sophisticated cognitive abilities such as planning for the future.
Researchers are pulling from video games, sports broadcasting, meteorology, and even missile guidance technology to better investigate how insects have mastered flight.
The tropical net-casting spider Deinopis spinosa joinsseveral other arachnid species that can hear sounds from afar without the help of a web, or even ears—an ability that aids its unique hunting tactics.
An isotopic analysis of eggshell beads dating back more than 30,000 years indicates that they helped build networks that stretched for hundreds of kilometers.
Researchers find that conserving marsupials on a predator-free island dampens their avoidance behaviors, which could mean trouble for their reintroduction to mainland Australia.