makoto
Well-known member
Study finds crows can distinguish symbols representing quantities
MAEBASHI (Kyodo) -- A team of researchers said Monday they have found crows can recognize symbols representing different quantities, successfully selecting containers holding hidden food items in experiments when given a choice based only on symbols.......
http://mdn.mainichi.jp/mdnnews/national/archive/news/2011/10/03/20111003p2g00m0dm076000c.html
MAEBASHI (Kyodo) -- A team of researchers said Monday they have found crows can recognize symbols representing different quantities, successfully selecting containers holding hidden food items in experiments when given a choice based only on symbols.......
http://mdn.mainichi.jp/mdnnews/national/archive/news/2011/10/03/20111003p2g00m0dm076000c.html