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A small fallout of warblers appeared in trees near Lutsen, Minn., on the North Shore one day in mid-May. A fallout is a rest and refueling stop for migrants. For birders it's often a chance to see ...

Last week, Austria-based Swarovski Optik introduced the AX Visio 10×32 binoculars, which the company says can identify over 9,000 species of birds and mammals using image recognition technology. The ...