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Curiosities about crows
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What brain characteristics contributes to the intelligence of an animal?
The size, the ratio body-brain size and the density of neurons.
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Why did crows evolve to be so smart?
One theory suggests that it has to do with the way they are raised; they spend more time with their parents than other species.
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List two crow tricks that you learned from the videos.
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How can crows retrieve objects from a tube?
They understand how water works and retrieve the objects by adding things to the water and making the level go up.
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Which mammal has the biggest brain (apart from humans)? And which bird has the biggest brain?
Dolphins and crows.
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Crows are found in all continents except…
Antarctica and South America
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For how long will a mated pair stay together?
For the rest of their lives.
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The experiment with tubes showed that crows preferred objects that:
Sinks and don’t have holes.
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Why do crow researchers wear masks?
Because crows can recognize faces and associate them positively or negatively. And they also spread the information to other crows.
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Complete: crows are one of the__________ species of bird.
Smartest
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What is the average life span of a crow?
7 years.
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What did the “marshmallow” experiment reveal about crows?
It showed that crows have self control and that they prefer quality over quantity.
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Why do crows gather around their dead relatives?
To gather information and learn about their deaths.
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