A male blue-winged warbler. Long-distance bird migration is one of the natural world's most inspiring phenomena-but the story of how we know what we know about bird migration is almost as amazing as ...
Red backed shrikes migrate using a fixed schedule, flying in stages with little variation, showing that genetics guide bird ...
A field begins to flood after harvest near Knights Landing, California. Paying rice farmers to create “pop-up” migratory bird habitat has since created tens of thousands of acres of temporary wetlands ...