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Pretty Bird: Images of a Clever Parrot

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Gray Parrot

Credit: © Sandra Mikolasch
Gray parrots are known for their intelligence. Researchers working with one gray parrot, named Alex, found that he could communicate with a vocabulary of 150 words.
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Stephanie Pappas

Stephanie Pappas is a contributing writer for Live Science. She covers the world of human and animal behavior, as well as paleontology and other science topics. Stephanie has a Bachelor of Arts in psychology from the University of South Carolina and a graduate certificate in science communication from the University of California, Santa Cruz. She has ducked under a glacier in Switzerland and poked hot lava with a stick in Hawaii. Stephanie hails from East Tennessee, the global center for salamander diversity. Follow Stephanie on Google+.
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