The northern mockingbird is a North American songbird famous for copying the calls of other birds and sounds from its surroundings, sometimes learning dozens of different phrases in a lifetime. Its song has become a familiar field recording for nature lovers, educators and video makers who want an authentic outdoor sound rather than a studio effect. The bird is also the state bird of several southern US states, which has helped keep its name and voice widely recognised. Online it is shared as a relaxing nature clip and as background audio for wildlife, gardening and birdwatching content.