Monday, November 17, 2014

One Mealworm, Two Mealworms: More Evidence Birds Can Count - NYTimes.com

One Mealworm, Two Mealworms: More Evidence Birds Can Count - NYTimes.com:



"Evidence has been mounting for a while that birds and other animals can count, particularly when the things being counted are items of food. But most of the research is done under controlled conditions."



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