Pandion haliaetus

A medium-sized bird of prey. A beautiful black and white bird with 5 wing fingers. White head with dark brown spots behind the eyes and extending to the back of the neck. The body and underwing coverts are white, and a dark brown patch can be seen on the chest of the female bird more obviously than that of the male bird. When flying, the wings are extremely narrow and long, bent in the middle, forming an "M" shape. The tail is short and the body is thin. When landing, blue-gray bare feet can be seen. Immature birds are similar to adults, but the eyes are orange-yellow and there are many irregular white spots on the back.

Distributed in most provinces of my country, it may be a summer migratory bird in the Northeast, Northwest and parts of North China, and some winter in suitable habitats in the south. It is a migratory bird passing through most other areas. Ospreys are widely distributed abroad in Europe, Africa, North America, South America, Oceania, Asia and other vast areas.

It lives in lakes, rivers, coasts or open areas, especially in river valleys in mountain forests or water areas with trees. It is often seen flying in rivers, lakes and seashores. When it sees bait in the water, it goes straight into the water and swipes it away with its feet.

Osprey is a relatively large bird of prey that lives near water bodies and likes to eat live fish. The soles of its feet are densely covered with barbs, and when it catches a fish, it can twist its normal "three front and one back" claws to The "two front and two back" toes are used to grasp slippery fish bodies. They often fly over large lakes, reservoirs, rivers and coasts. In terms of habitat selection, this species does not care whether it is fresh water or salt water. As long as there is plenty of fish and not too many waves, it will be fine. An adult osprey needs about 500 grams of fish per day during migration, catching an average of two medium-sized fish per day. During the breeding season, it builds a huge nest and uses it year after year.

The osprey differs from other diurnal birds of prey in some respects. Its toes are equal in length, its tarsus is webbed, and its claws are rounded rather than grooved. Ospreys and owls are the only The outer toes of birds of prey are reversible, which enables them to grasp prey, with two toes in front and two toes in the back. This is especially useful when they are catching slippery fish.

<span style="color: rgb(51, 51, 51); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif; font-size: 14px; Ospreys are unusual among birds of prey in being carnivores. It mainly feeds on fish, and sometimes also preys on frogs, lizards, Other small terrestrial animals such as small birds. Their diet consists almost exclusively of fish (≥99% of prey). They are generally opportunistic and will eat any fish near the surface of shallow or deep water.

Echang They move alone or in pairs, and often gather in small groups of 3-5 during migration. They often fly slowly and low over the water, and sometimes soar and circle in the sky. When they rest, they often rest on dead trees on the banks of water or on telephone poles. . It has an alert temperament and a loud bark. It is a summer migratory bird in Northeast China, a resident bird in the south, and a resident bird in other areas Migratory bird or winter migratory bird. It arrives at its breeding grounds in early March in spring and leaves the breeding grounds to migrate south in mid-September.