The Family Passeridae is a taxonomic family of small passerine birds, which includes more than 500 species distributed worldwide. There are several synonyms for the Family Passeridae, including the true finches, Old World finches, and weaverbirds. These birds are known for their small size, cone-shaped beaks, and colorful plumage. They primarily feed on seeds and insects, and are commonly found in a variety of habitats such as forests, grasslands, and urban areas. The Family Passeridae is renowned for its melodious song, which is often used by male birds to attract a mate or defend their territory. Despite being small in size, these birds play an important role in ecosystem functioning and biodiversity.