Places and times seen in Munakata city

Natsuori in Munakata-shi. Although it can be seen almost entirely except for the islands and the sea, the number is small.

Characteristic

Total length 52 cm. Same color of both sexes.
Adult birds have a bluish black color from the top to the back and cheeks, and long crown feathers on the back. The lower part of the body from the back and shoulder feather cheeks is blue gray and there is a white white line in the center of the chest. The wings are pale dark blue, with features of bamboo leaves with white feathers. The beak is black and longer than the goat. The iris is pale yellow. Eyes and feet are yellow. In the marriage color, the eyes are blue in the near future, and the foot turns red. Young birds are dark brown throughout and wings are scattered in vitiligo. The underside of the body is white and brown vertices are clear. The foot is dark yellow-green.

Habit

Fly to the feeding place from the roost or breeding ground, aim at a riverbank or shallow beach and aim the immovable body, predispose fish and frogs.
At the Suizenji park in Kumamoto City, fishermen were observed using fake bait and became famous as "fishing birds". Even now, individuals observed near Suizen-ji Park perform similar actions. Similar behavior is observed in the United States and Singapore, he says.

distribution

As summer birds live from north of Kyushu to southern Hokkaido. Distributed widely in the east coast of the United States, Central America, South America Andean Eastern Patagonia, Sub-Saharan Africa, Indian Subcontinent, South China Sea Coast, East China Sea Coast, Japan Islands Coast.

Other

In the literature on the habits of birds, it is always taken up as "fishing bird". It is sometimes taken up as an example of bird intergenerational culture transmission.