mockingbird (n.)

also mocking-bird, passerine bird of the southerly parts of the U.S., noted for the song of the males and its skill in imitation, 1670s (mock-bird is from 1640s), from present-participle adjective of mock (v.) + bird (n.1).

[I]t is the most famous songster of America, and is much prized as a cage-bird. Its proper song is of remarkable compass and variety, and besides this the bird has a wonderful range, being able to imitate almost any voice or even mere noises. [Century Dictionary]