Lanzhou University discovered a new record species of bird distribution in Gansu, the quercus plover

Ma Tao/Photo

According to the news of Lanzhou University, recently, Song Sen, a teacher at the School of Life Sciences of the university, and Ma Tao, an undergraduate student, photographed a bird of the family Quercus family - Turdus viscivorus ( Turdus viscivorus ) , and after checking the relevant reports of the distribution records of birds in Gansu, there is no record of this bird, and it is determined that the quercus is a new record species of bird distribution in Gansu.

From the pictures taken, the individual's mid and large covert feathers have a distinct white margin, the secondary flight feathers have a distinct light margin, and the tip of the tail feather is more prominent, and the age of the individual is only the first winter from the above characteristics. Birds in the process of migration is not yet underage individuals prone to yaw and become a fan bird, so it is speculated that this individual may be lost through Gansu during migration.

Quercus is widely distributed in Europe, northern Africa, central North Asia, central Asia, and Central Asia, and only has a small number of populations distributed in a few places such as southwest Xinjiang and northwestern Tianshan, and the discovery site is far from these distribution areas.

According to reports, after consulting the "Field Manual of Chinese Birds" and the "Illustrated Catalogue of Chinese Birds", the bird was confirmed to belong to the Quercus genus Turdus of the Order Anseriformes. The wild distinguishing features of the quercus are greyish-brown on the head and upper body, yellowish-white skin on the lower body, black spots on the thorax that are arrow-shaped or teardrop-like, densely rounded black spots on the abdomen, and dark spots in the subtail coverts. The wings are darker grey-brown , with pale yellow margins on the outer wings and coverts. The tail feathers are brown , and the outer margins and terminal spots of the outermost tail feathers are white. (Li Yihuan, Song Sen)