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| Q. |
The only bird that flies backward is – |
| A. | Sparrow |
| B. | Koel |
| C. | Siberian Crane |
| D. | Humming birds |
| Answer» D. Humming birds | |
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Explanation: A humming bird can rotate each of its wings in a circle, allowing them to be the only bird which can fly forwards, backwards, up, down, sideways or sit in sheer space. To hover, hummingbirds move their wings forward and backward in a repeated figure eight, much like the arms of a swimmer treading water. Humming birds can move instantaneously in any direction, start from its perch at full speed, and doesn't necessarily slow up to land. |
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