Cyanistes cyanus

The azure tit (Cyanistes cyanus) is a passerine bird in the tit family Paridae. It is a widespread and common resident breeder throughout Russia, Central Asia, northwest China, Manchuria, and Pakistan.

It is found in temperate and subarctic deciduous or mixed woodlands, scrub, and marshes. It is a resident species, and most birds do not migrate. It nests in tree holes, laying approximately 10 eggs. The bird is a close sitter, displaying defensive behaviors such as hissing and biting when disturbed. Its diet primarily consists of insects, seeds, small invertebrates, bug larvae, and eggs.