http://investingtips360.com/?klaystrofobiya=%D8%A8%D9%8A%D8%B9-%D8%A7%D8%B3%D9%87%D9%85-%D9%81%D9%8A-%D8%A8%D9%86%D9%83-%D8%A7%D9%84%D8%B1%D8%A7%D8%AC%D8%AD%D9%8A&855=27 Crows are one of the smartest birds, having an excessive mind to body weight ratio. Their wily behavior showcases their intelligence; they’d} been determined to observe other birds hiding their food and thieve it after the proprietor has left. They even often repeatedly move their personal meals in order to avoid being the victim of such food thievery!
http://www.dramauk.co.uk/?arapyza=%D9%88%D8%B8%D8%A7%D8%A6%D9%81-%D8%AA%D8%B1%D8%A8%D8%AD%D9%83-%D8%A3%D9%83%D8%AB%D8%B1-%D8%A3%D9%85%D9%88%D8%A7%D9%84&56d=f6 In this video from BBC Earth, we view a crow having to handle an eight level puzzle to acquire three special tools to attain just one meals reward. But will the crow manage to determine the correct order of the degrees with the intention to win the prize?
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