Definition

Noun: - A taxonomic family of small, seed-eating passerine birds commonly known as true sparrows. These are primarily Old World birds that were historically classified within the weaver bird family (Ploceidae) but are now recognized as a distinct family.

Usage

• The term is used in scientific and ornithological contexts to classify and discuss this specific group of birds.
• Example: "The family Passeridae includes familiar species like the house sparrow and the Eurasian tree sparrow."

Advanced Usage

• In taxonomic hierarchy, sits within the order (perching birds). Discussions of avian evolution or phylogeny often reference this family when distinguishing true sparrows from New World sparrows (family ) or weaver birds.

Variants and Related Words

• Passerid (noun/adjective): A member of the family Passeridae; pertaining to the family Passeridae.
  • Example: "The passerid species observed exhibited typical foraging behavior."
• Passerine (noun/adjective): Relating to the large order () to which Passeridae belongs, characterized by perching feet.
  • Example: "Sparrows are a classic example of passerine birds."

Synonyms

• True sparrows: The common name for birds in the family Passeridae.
• Old World sparrows: A descriptive synonym emphasizing their primary geographical distribution.

Notes on Different Meanings

• The term refers exclusively to the biological taxon. It should not be confused with the informal or general use of "sparrow," which can sometimes refer to birds outside this family (e.g., New World sparrows in the family ).

Noun

1. true sparrows: Old world birds formerly considered weaverbirds