(Phys.org)—A pair of researchers from Stanford University has studied the energy used by a type of small parrot as it hops from branch to branch during foraging. As they note in their paper uploaded to the open access site Science Advances, Diana Chin and David Lentink found that the bird's techniques optimized energy expenditure and may have been similar to techniques used by dinosaurs that led to flight.
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Study of parrotlets hopping offers clues on how dinosaurs might have developed flight
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