Mosquitoes are insects in the family Culicidae. They have a pair of scaled wings, a pair of halteres, a slender body, and long legs. The females of most mosquito species suck blood (hematophagy) from other animals, which has made them the most deadly disease vector known, killing millions of people over thousands of years and continuing to kill millions per year by the spread of infectious diseases.

• The male African elephant stand 3.64 meters (12 ft) tall at the shoulder and weigh 5455kg.
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• There are records of lionesses living for up to 20 years in the wild.
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• Hummingbirds can fly backwards, and are the only group of birds able to do so.
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