Nest-building isn't just instinct. Birds can learn from others, letting groups within one species develop their own distinctive nest-building traditions.

Nine-year-old Sam Stone stumbled upon a Killdeer nest in the grass at Surrey Downs Park. He worked with the city to block off the nest. By Lindsay Larin • April 27, 2009 6:53 pm Sam Stone of ...

Dr. Rohwer is the curator of birds and mammals at the Cornell University Museum of Vertebrates. Most birds go to great lengths to hide their nests. So when I find one, invariably so carefully ...