According to researcher Kaeli Swift of the University of Washington's Avian Conservation Laboratory, crows hold "funerals." When they see a corpse of their own kind they gather together and squawk loudly. To determine what they may be doing, Swift displayed a taxidermied dead crow to other crows. On some days though, she wore a creepy mask and wig. After multiple experiments with and without her disguise or the dead bird, the crows appeared to remember "the experience with the mask and dead crow and now connected the area with danger." From Deep Look:
And here’s what Swift said makes that really interesting: These new mobs (she encountered even weeks later) contained crows that had never seen the masked Swift with the dead crow. But they still learned to avoid the masked figure.
Learning directly from each other, rather than through individual experience, is called social learning.
“By participating in these funerals, crows can get information about new dangers without taking the risk,” Swift said.
On Monday, we reported that for the first time, a plant seed had germinated on the moon, an early experiment to test whether food could someday be grown on the moon to feed residents of a lunar base. The cotton sprout was inside a canister on China’s Chang’e 4 lander that touched down on the […]
Starting Sunday evening, Jan. 20, 2019, North and South America will have a chance at seeing 2019’s only total lunar eclipse, from start to finish. Our Earth, Moon and Sun line up on Sunday night for the only total lunar eclipse of of the year. Catch it if you can.
Adam Savage is back with an all-new show, and he’ll be tweeting live during tonight’s MythBusters Jr. on The Science Channel. The episode is named “Battery Blast,” so we’re expecting there will be explodey explosions, and they’re mentioning “straight as an arrow” so, pointy weapons.
Want a career in web design? It’s true that these days, most anyone can throw up a page or two. But for true workhorse web design, you’ll sometimes need to match the platform to the project. Enter the Complete Front-End Developer Bundle, an educational grand tour around the best tools for the web. For beginners, […]
Things move fast in the world of social media, and they don’t slow down for marketers looking to make an impact. Whether you’re grabbing eyeballs for a major company or a local business, you’ll need to adjust your strategy for every platform. Don’t have a strategy to begin with? That’s where the Social Media Marketing […]
It’s a rude awakening for that rookie vacationer abroad when they try to plug in their gear for the night. Veteran jet-setters know that outlet shapes can vary wildly from country to country, which necessitates that most boring must-have for any world-traveler: A sackful of clunky power adapters. Awkward problem, elegant solution: The Twist Plus […]