Cormorant: Waterbird, with black feathers, green, blue and purple luster, flat and long mouth, dark black, and a hook at the top. Can swim, good at fishing, the skin under the throat swells into a capsule, and the fish caught can be put in the capsule. In the south of our country, more animals are raised to help fish. Known as the osprey, some areas are called Moya. Ji Fusheng by Yan Zhitui in the Northern Qi Dynasty: "The tortoise lies in its shade, and the cormorant bears its mouth." Tang Du Fu's poem "Tian She": "The cormorant is sunny in the west and its wings are full of fish beams."

Cormorant: A large fish-eating bird, good at diving. After diving, its feathers are soaked, and it needs to spread its wings and dry in the sun before flying. The mouth is strong and long, conical, with a pointed hook at the top, suitable for pecking fish, and a pouch under the throat. The foot is in the posterior position, the toe is flat, the hind toe is long, and there are full webbed feet. Habitat in Yu Haibin and lakes. When flying, the neck and feet are straight. There are five kinds in China.

Often domesticated for fishing, tied to the throat and forcibly spit out after being caught. Widely distributed in marine and inland waters all over the world, especially in warm zone waters. Cormorants are medium to large seabirds. The smallest is Jurassic cormorant, with a body length of 45 cm and a weight of 340 g, and the largest is weak-winged cormorant, with a body length of 100cm and a weight of 5 kg.

1850 extinct spectacles cormorants are also quite large, with an average weight of 6.3 kg. Most cormorants, including almost all species in the northern hemisphere, mainly have dark feathers, but some species in the southern hemisphere are black and white, and a few feathers are quite colorful. Many species have colored skin on their faces, which can be bright blue, orange, red or yellow. It usually becomes more colorful during the breeding season. This kind of bird has a long thin beak and often sings loudly. Their feet have four toes with webbed toes.

These large fish-eating birds are good at diving, and their feathers will be soaked after diving. They need to spread their wings and dry in the sun before they can fly. The mouth is strong and long, conical, with a pointed hook at the top, suitable for pecking fish, and a pouch under the throat. The foot is in the posterior position, the toe is flat, the hind toe is long, and there are full webbed feet.