Crows in urban Japan and the United States have innovated a technique to crack hard-shelled nuts by dropping them onto crosswalks and letting them be run over and cracked by cars. Then they retrieve the cracked nuts when the cars are stopped at the red light.
Eight-year-old Gabi Mann of Seattle, Washington receives gifts from crows in her garden. She feeds the crows regularly and little “treasures” are given in return including a miniature silver ball, a black button, a blue paper clip, a yellow bead, a blue Lego piece, and a pearl colored heart.
When a crow dies, the other crows investigate if there’s a threat where the death occurred, so they can avoid it in the future.
Research from Moscow State University & the University of Iowa discovered that crows exhibit strong behavioral signs of analogical reasoning—the ability to solve puzzles like “bird is to air as fish is to what?” Analogical reasoning only develops in humans between the ages of three & four.
Crows are smart as great apes and able to show: imagination, the anticipation of possible future events, to solve problems which require abstract reasoning. Problems which once were only thought possible by humans and great apes.
A group of crows got so mad at a mask wearing researcher for giving them identification bands that they recruited more crows to harass anyone wearing the same mask years after the fact.
Crows are monogamous and raise families together. Offspring from previous seasons even remain with the family to help rear new nestlings.
Crows are quite similar to humans and visit their aging parents many years after they have left the nest.
In 2006 over a 1000 toads swelled up to 3 times their size and exploded with no apparent reason, causing panic at the possibility of a new virus. The real reason? Local crows had figured out how to peck out the frog’s highly nutritious liver while avoiding their poisonous skin.
Students studying crows at the University of Washington wore wigs and masks because the crows would remember their faces and harass them for the remainder of their college career.