Ostriches may not be able to fly, but they loom large in the bird kingdom. They are the world's tallest and heaviest living birds, and they lay the largest eggs. With their long legs, ostriches are also fleet of foot, running up to 43 miles per hour, and formidable fighters--an ostrich kick can kill. But since the beginning of history, these extraordinary and outlandish birds have also been exploited by humans for their eggs, meat, skin, and feathers...
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Nature