researchers discovered that, with some training, pigeons are capable of understanding the concept of mathematical values. pigeons can rank amounts from lowest to highest by pecking them on a screen. pigeons were able to successfully rank up to nine objects in order. their performance matched that of rhesus monkeys who had previously participated in the same experiment.
The Japanese version of Mario’s Picross contained four puzzles that were cut from all other versions for depicting objects not appropriate for children, such as a cocktail, a beer stein, a cigarette in an ashtray, and a glass of wine. These were changed to more appropriate images: a Boo, a bird, a rabbit and a top hat respectively, for the other regions. Main Blog | Twitter | Patreon | Store | Source: see bottom of image