Northern mockingbirds are altricial, indicating that, when hatched, they are born comparatively immobile and defenseless and so demand nourishment for a particular period from their mothers and fathers. Recordings from the hen's tune also element on movie soundtracks and even pop up on occasion from the background of some tracks. https://felixsqmid.p2blogs.com/35832220/helping-the-others-realize-the-advantages-of-mockingbird