Black-headed Nuthatch scientific name: Sitta villosa, also known as Snowy-browed Nuthatch: is a small songbird, 10-12 cm in length, black on the head, short head and neck, upper body slate gray-blue with white or yellow skin brows and stain Black eye pattern. Lower body grayish brown or brownish yellow. No chestnut on the side of the body, short tail. The structure of the naming tube and its muscles are complex, and it is good at singing, and the voices are more pleasing. They often forage insects and seeds on tree trunks, branches, rocks, etc. Nests are built in caves, and there is a habit of storing food in winter. It is the only bird that can climb trees from head to tail and up and down.
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