A new approach to bird sounds -- How birds produce sounds -- Visualizing sound -- The naming of bird sounds -- The biology of bird sounds -- Recording bird sounds and making spectrograms -- Birds by ...

Migratory birds that fill North American forests with spring songs depend on Central America’s Five Great Forests far more than most people realize. New research shows these tropical strongholds ...

Ornithologist Bruce Beehler tracks down what he calls the “Magnificent Seven,” a charismatic group of migratory birds, in his new book Carlyn Kranking | Associate Web Editor, Science A high-pitched, ...