Animals That Use ____ People once thought that only humans can use tools. Now, ____ are finding out that many animals can also use tools. Macaque Monkeys If you go to a Buddhist ____ in Lop Buri, Thailand, watch out for the Macaque monkeys*. They may come to you and ____ your hair. They use human hair to ____ their teeth. If you are lucky, you may see female monkeys that are ____ flossing to their babies. While the babies are watching, the female monkeys floss their teeth very ____. This way, the baby monkeys ____ to floss. Octopuses People don’t usually think that octopuses are smart. ____, octopuses are very smart, and they can also use tools. They use coconut shells for ____. When they can’t find a good hiding place, they hide under coconut shells. Some octopuses even ____ coconut shells for later use. They ____ the coconut shells and carry them to use ____. How ____! Crows In Aesop’s fable The ____ Crow, a crow ____ stones into a jar to ____ the level of water. You may think this is just a story, but it is not. Scientists who were studying crows did an ____. They put a jar with water in front of a crow. A worm was floating on ____ of the water. ____, the water level was ____, so the crow could not eat the worm. The crow ____ the problem just as in the ____. It dropped stones into the jar. If you think this bird is special, you are wrong. Scientists did the same experiment with other crows, and they all did the ____, too.

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