Definition

Noun: - A taxonomic classification in ornithology: "order passeriformes" is the scientific name for the largest order of birds, commonly known as perching birds or songbirds. It is characterized by feet adapted for perching, with three toes pointing forward and one backward.

Usage and Examples

• Scientific Context:

  • The robin belongs to the order Passeriformes. (This classifies the robin within the largest bird order.)
  • Ornithologists study the diverse species within order Passeriformes. (This refers to the scientific study of this bird group.)

• General Descriptive Context:

  • Most common garden birds are members of order Passeriformes. (This indicates that many familiar birds fall into this taxonomic category.)

Advanced Usage and Notes

• Taxonomic Hierarchy: In biological classification, "order Passeriformes" sits below the class Aves (birds) and above numerous families. It is often referred to simply as "passerines."
• Morphological Definition: The defining feature is the anisodactyl foot arrangement, which is specialized for gripping branches.

Variants and Related Terms

• Passerine (n. & adj.): The common term for any bird belonging to the order Passeriformes.
  • Sparrows are passerines. (This means sparrows are part of this order.)
• Suborder Names: The order is divided into suborders, including:
  • Oscines or Passeres: The true songbirds, possessing a highly developed syrinx (vocal organ).
  • Tyranni: The suboscines, which generally have simpler vocal apparatus.
  • Eurylaimi: Broadbills.
  • Menurae: Lyrebirds and scrub-birds.

Synonyms and Related Concepts

• Perching birds: A descriptive, non-scientific synonym.
• Songbirds: A common term, though technically this often refers specifically to the suborder Oscines within Passeriformes.

Key Distinctions

• Not a Phrase for Casual Use: "Order Passeriformes" is a formal scientific term. In everyday language, "perching birds" or "songbirds" (where applicable) are used.
• Scope: It is a single, specific taxonomic order. It should not be confused with other bird orders like Falconiformes (birds of prey) or Strigiformes (owls).

Noun

1. largest order of birds comprising about half the known species; rooks; finches; sparrows; tits; warblers; robins; wrens; swallows; etc.; the four suborders are Eurylaimi and Tyranni and Menurae and Oscines or Passeres