ScienceDaily Posted January 19, 2012 Share Posted January 19, 2012 The northern goshawk is one of nature's diehard thrill-seekers. The formidable raptor preys on birds and small mammals, speeding through tree canopies and underbrush to catch its quarry. While speed is a goshawk's greatest asset, researchers say the bird must observe a theoretical speed limit if it wants to avoid a crash. The researchers found that, given a certain density of obstacles, there exists a speed below which a bird -- and any other flying object -- has a fair chance of flying collision-free. Any faster, and a bird or aircraft is sure to smack into something, no matter how much information it has about its environment. View the full article Link to comment Share on other sites More sharing options...
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