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Owls

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Owls All owls hunt in darkness and must rely on their amazing eyesight and hearing to help them.  Types of owl 1) Snowy owl.  2) Burrowing owl. 3) Spectacled owl. 4) Great horned owl. How they eat  Owls cannot chew so they swallow their whole food. When they have digested the animal they cough up the bones and fur as a small pellet. 
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Bats

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Bat's wings are actually long arms with skin stretching between each finger. Their thubs stick out like small claws to grip tree branches.  The Vampire Bat The vampire bat's favorite meal is fresh blood, even humans. It feeds by digging its sharp teeth into the flesh, then laps up the blood.  Bat's food Most bats eat insects, etc.. Others, like the fruit bat use their long tongues to eat fruit and sip nectar from the flowers. 
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Potassium permanganate

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Material required :- 1) Some Potassium permanganate )  2) Some water Procedure :-  1) Take a glass tumbler which is filled with water  2) Now, slowly add some Potassium Permanganate crystals in that glass tumbler which is filled with water. Don't stir the water. Observe the changes. Observation :- The colour of the water slowly changes to purple. Conclusion :- The water became purple because the potassium permanganate crystals mix with the water. The crystals mix with water because both water and potassium permanganate particles move continuously. Potassium permanganate crystals 👆 Sample video of this experiment :- https://youtu.be/npact-9Wous
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