资讯

However, when you take a closer look at a raven and a crow, there are key differences in their behavior and specific body parts that can be recognized through observation, even from a distance. Each ...
Semi-captive crows can also mimic human speech. Ravens’ typical calls are more gurgly and croaky and can sound eerily human.
“Those sons-a-bitches will eat a calf alive,” he said. Ravens’ smaller cousins, crows, can also cause trouble for cattle and sheep ranchers this time of year, Moline said. Like ravens, they can attack ...
Crows, much like humans, are capable of holding grudges for extended periods. Research indicates these intelligent birds can remember faces and associate them with negative experiences for up to ...
This talking crow isn’t just a viral sensation; it's become a local star, sparking talks about intelligence, language, and the surprising things nature can do. While most of us are used to ...
A trio of animal physiologists at the University of Tübingen, in Germany, has found that at least one species of crow has the ability to recognize geometric regularity. In their study published ...
Researchers found that carrion crows could recognize geometrical shapes. Credit: Alexis Lours / CC BY 4.0 Crows have a skill once thought to be uniquely human: recognizing geometrical shapes and ...
Well, NPR's Nell Greenfieldboyce reports that scientists recently gave a geometry test to crows. NELL GREENFIELDBOYCE, BYLINE: Crows are pretty smart. They can make simple tools. And at the University ...
But carrion crows, members of the corvid family known for problem-solving, proved otherwise with their surprising geometric shape recognition abilities. “Claiming that it is specific to us humans, ...
NELL GREENFIELDBOYCE, BYLINE: Crows are pretty smart. They can make simple tools. And at the University of Tubingen in Germany, there's a lab where crows learn to play computer games. It's the lab ...