It seems impossible when you think that a bird can be as smart as a person or as a child. Crows these birds we often chase out of our cities, happen to be very intelligent and they are quick learners too. These birds have a keen sense of observation which is how they get to learn things from the very beginning. In this puzzle solving demonstration a crow shows us not only taht it can solve a puzzle butit can also get the treats and provide information on how much it understands about water displacement. And it it is amazing to see how it learnt to use the water in its advantage.
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