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Small brains, long memories - the tiny hummingbird

Although they have brains about the size of a grain of rice, hummingbirds have superb memories when it comes to food, according to research on Monday. No bird-brains these tiny creatures that weigh 20 grams (0.7 ounces) or less and feed on nectar and insects.

The research, reported in the journal Current Biology, suggests they not only remember their food sources but can plan with a certain amount of precision. "To our knowledge, this is the first demonstration that animals in the wild can remember both the locations of food sources and when they visited them," said Susan Healy, of the University of Edinburgh.

Sydney and Sadie Say: Even though we are intrigued by our flying friends, and even on occasion want to eat them, we have a special respect for hummingbirds, because they also seem impossible to catch.

March 6, 2006 09:54 AM · Permalink  ·