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Black Stork (scientific name: Ciconia nigra) is a large wading bird in the stork family Ciconiidae .its feathers is brightly colored, and it is graceful、agile and alert . The adult bird is1-1.2 meters long and 2-3 kilograms heavy. The mouth is long and stout, besides, his head, neck and feet are also very long, and the mouth and feet are red. The feathers on the body are all black except for the pure white on the chest and abdomen, and can reflect a variety of colors in different angles of light.

Black stork is a migratory bird. Only in Spain as a resident bird. only a few pass through the Strait of Gibraltar to over winter in the west of Africa . In addition, the populations that breed in South Africa do not migrate, and only spread to the surrounding areas after the breeding season. The black stork has high ornamental and exhibition value, it has been listed as the national first-grade protected animal. Due to the number of them is falling quickly recent years,it has been listed as an endangered species by the Convention on International Trade in Endangered Species of Wild Fauna and Flora, which is as rare as panda, most of experts believe that the number is still falling.

The picture shows the black stork wearing the tracker, walking in a free-spirited manner.