Eurasian nuthatch
The Eurasian nuthatch is primarily a lowland bird in the north of its range, but reaches the tree-line in Switzerland, at or higher, and breeds occasionally at in Austria. It breeds at similar levels in the mountains of Turkey, the Middle East and Central Asia. It is mainly a mountain bird in southern Japan, , and Taiwan, , but in southern China, the chestnut-vented nuthatch is the highland species, with the Eurasian species at lower levels.