An international team lead by scientists from the University of St. Andrews in United Kingdom have discovered that the critically-endangered Hawaiian Crow, or locally known as Alalā, is a highly proficient tool user.
Cockatoos, previously found to be adept at using tools, have now shown that they have the intelligence to make good economic choices involving tool use, as indicated by recent experiments.
Primates using tools isn't exactly a new trick. Researchers have long observed apes using sticks to dip for ants, monkeys using mirrors to investigate their own bodies, and even chimpanzees using 'spears' when hunting. Now, however, researcher have found the first evidence that not only do monkeys crack nuts with rocks, but they use various and changing techniques to do it.
It turns out that crows favor the left or right side of their beak just like humans favor their left or right hand when holding tools. This draws even more intriguing parallels between the clever black birds and humans. However, according to a new study, this may have a lot more to do with bird eyes than "handedness."
You've likely seen the occasional video of chimpanzees poking around in ant hills with a stick or long reed, fishing for a tasty snack. Now researchers have determined that the tools used for this are actually carefully selected. "Any old stick" just won't do.
Finding new ways to chow down on a nice, juicy bug may have helped early humans develop advanced intelligence, researchers suggest in a recent study.