What is the name of the bird that fishermen keep for fishing, the bird that fishermen keep for fishing is called

Cormorant. Alias water old crow, fish eagle, 鷧 (sound meaning), the ghost, its body is narrower than the duck, body feathers for the metal black, good diving fishing, flying straight ahead, southern China, more raised to help fishing, in the dim underwater, the cormorant generally can not see the prey. Therefore, it is only with the help of keen sense of hearing that it can hit a hundred shots. Cormorants must surface to swallow their prey after catching it. It is found almost all over the world except the North and South Poles. The bird can be domesticated fishing, China has been domesticated and utilized in ancient times.