Places and times seen in Munakata city

It is a summer bird in Munakata, and it can be seen from April to October on the shore from Kamisu to Kanegasaki and in the sea.

Characteristic

It's a small scythe with a total length of 22 cm to 28 cm. Her color is the same.
In summer feathers, the forehead is white, overhead to the back neck, and the overeye line is black. The wing front is gray from the back. The outer rim of the first row wind is black, the inner valve is gray, the waist to tail is white, and the end is a tail. The lower side of the body below the heel is white. The ax is thin and yellow. My feet are orange and yellow. The head of the head is somewhat flat.
The winter wings start from around August, and the head is white and the brows are black. The legs are also blackish brown.
Young birds have a white forehead, overhead to back neck, black overeye line, and overeye line does not connect to the base of the wing.

Habit

It flies to beaches, inner bays, ports, estuaries, rivers, lakes, and ponds.
They act in groups and colonize and reproduce on sandy beaches such as shores, landfills, and riverbanks. You can see it slowly, but quickly, dive from the fly to eat mainly fish.
Males provide courtship feeding to females. Although females are fed by multiple males, feeding does not lead directly to couple formation.

distribution

It breeds along the large rivers of Eurasia and the southeastern part of the North America, mainly Florida, from the Primorsky Territory to the Yellow Sea, the East China Sea coast, the Japanese Islands, the Korean Peninsula coast, the southern African continent, the Arabian Peninsula coast, the Indochina Peninsula, Indonesia , Micronesia, northern coast of Australia, overwinters on the Caribbean coast of the South American mainland. Some of them also breed as resident birds.

Other

The sandy and sandy areas of the riverbed suitable for breeding are decreasing and tending to decrease.