It is a common small bird belonging to the Passeriformes order and Passeriformes family. Known for their lively and adaptable characteristics, they can be seen almost everywhere in the world. Small in size, with feathers usually brown or gray and black stripes, this protective color makes them difficult to detect in natural environments. It is an omnivorous bird that mainly feeds on insects, seeds, and grains. During the breeding season, exquisite nests are built, usually located in tree holes, gaps in buildings, or nest boxes provided by humans. Has strong reproductive ability. Plays an important role in human society as a natural cleaner, helping to control pest populations.

It is a common small bird belonging to the Passeriformes order and Passeriformes family. Small in size, usually between 10-15 centimeters in length, with predominantly brown or gray feathers and two distinct white stripes on the wings. The beak is short and thick, suitable for pecking at seeds and insects. Widely distributed around the world, especially near human settlements, they are able to adapt to urban environments and often build nests under eaves or tree holes. It is a social bird that often moves in groups, jumping quickly when foraging, and pecking at seeds on the ground with its beak. The sharp and frequent sound is one of the common natural sounds in cities. Strong adaptability to the environment.