Northern mockingbirds are altricial, which means that, when hatched, They are really born fairly immobile and defenseless and as a consequence demand nourishment for a certain length from their mom and dad. Mockingbirds are most noted for their power to mimic and recreate sounds they listen to from other birds. https://mockingbird05938.ttblogs.com/16896983/mockingbird-no-further-a-mystery