Introduction: Blackbird is a large wader of temperament. The adult bird has a body length of 1-1.2m and a body weight of 2-3kg. The mouth is long and thick, and the head, neck and feet are very long, and the mouth and feet are red. The feathers on the body are black except for the chest and abdomen. The rest are black. Under different angles of light, they can reflect a variety of colors. A large nest is built on a high tree or rock, and the head and neck are straight when flying. Fish are the main food, and other small animals are also preyed. During the breeding season from April to July, the nest is in a remote place with little human interference. Most of the blackbirds are migratory birds, only in Spain. Protection of animals at the national level.