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Archive for May 7, 2011

Ruby-throated Hummingbirds Return

They’re back! Male ruby-throated hummingbirds have started appearing at feeders in northern New England, having spent the winter in Central America. Many of them flew nonstop over the Gulf of Mexico during their migration north, no mean feat for a creature weighing 3 ½ grams! Once females arrive, keep an eye out for the male’s courtship display. He makes a looping, U-shaped dive starting from as high as 50 feet above the female, swooping down in front of her and then back up again. If she perches, the male then switches to a side-to-side flight while facing her.