Birdbrains? Hardly: Baby Chicks Know How to Count
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It’s not just humans who can count; chicks seem to have a number sense, too, new research suggests.
Scientists found that chicks seem to count upwards moving from left to right — they put smaller numbers on the left and larger numbers on the right, the same mental representation of the number line that humans use.
The findings suggest that animals don’t have to have words for numbers to have a sense of their relative sizes….http://www.livescience.com/49633-chicks-count-like-humans.html?adbid=561146851575865345&adbpl=tw&adbpr=15428397&cmpid=514645_20150130_39630677