The northern mockingbird is a medium-sized bird that is commonly found in North America. Known for its ability to mimic the songs of other birds and even some non-bird sounds, the mockingbird is known as one of the most accomplished vocalists in the avian world. It has a grayish-brown back and wings, a white belly, and a long tail that it often flicks from side to side. The northern mockingbird is a highly adaptable species that can often be seen in urban settings, where it feasts on fruits, insects, and small animals.