Passeridae
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Definition
Noun 1. A family of small passerine birds: Passeridae is the taxonomic family name for a group of birds commonly known as the true sparrows or Old World sparrows. These are small, seed-eating birds with stout bodies, short tails, and strong, conical beaks. They were historically classified with weaverbirds but are now recognized as a distinct family.
Usage
- The word "Passeridae" is used in formal, scientific, or academic contexts, specifically in ornithology (the study of birds) and biological taxonomy. It is not used in everyday conversation.
- It is always capitalized, as it is a proper noun referring to a taxonomic family.
Examples
- Scientific Classification: "The house sparrow () belongs to the family Passeridae."
- Comparative Biology: "Unlike New World sparrows in the family Passerellidae, members of the Passeridae are native to Europe, Asia, and Africa."
- Historical Context: "The Passeridae were once considered a subfamily of weaverbirds (Ploceidae) due to superficial similarities."
Advanced Usage
- In Taxonomic Hierarchy: The term is used to specify a precise level of biological classification (Family: Passeridae), which sits below the order (Passeriformes) and above the genus (e.g., ).
- Phylogenetic Discussion: Used in scientific literature discussing the evolutionary relationships and genetic distinctions between Passeridae and other bird families like Ploceidae (weavers) or Estrildidae (waxbills).
Variants and Related Words
- Passerid (noun/adjective): A member of the family Passeridae; relating to the Passeridae.
- Example: "The passerid species examined showed similar feeding adaptations."
- Passerine (noun/adjective): A bird of the large order Passeriformes, to which Passeridae belongs; relating to perching birds.
- Example: "Robins, crows, and sparrows are all passerines."
Synonyms
- True sparrows (common name)
- Old World sparrows (descriptive name)
Different Meanings
The word "Passeridae" has only one specific meaning in modern scientific English: the taxonomic family for true sparrows. It does not have other general definitions or idiomatic uses.
Noun
- true sparrows: Old world birds formerly considered weaverbirds