This is so awesome to know because I really love pigeons!
Pigeons may not be so bird-brained after all, as scientists have found
the birds' ability to understand numbers is on par with that of
primates.
Scarf and his colleagues first trained three pigeons to count up to
three. On a touchscreen, they presented the pigeons with a set of images
that had objects of various sizes, shapes and colors. For example, one
set presented images with one yellow block, two red cylinders or three
yellow rectangles. To receive a treat, the pigeons had to select the
images in the correct object-number order, from lowest to highest.
Click here to read the full article.
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