Definition

Noun: 1. A taxonomic genus of birds: Genus Motacilla is the type genus of the family Motacillidae. It comprises a specific group of small, slender passerine birds commonly known as the true wagtails.

Usage Notes

• This term is used exclusively in scientific and ornithological contexts. It is a formal, taxonomic name.
• In standard English, the common name "wagtail" is used. specifies the precise scientific grouping.
• The word is always capitalized ( or simply ) when referring to the taxonomic rank.

Examples of Usage

• Scientific Classification: "The genus Motacilla is characterized by its members' long, constantly wagging tails."
• Research Context: "The study focused on the migratory patterns within genus Motacilla."
• Identification: "This bird was identified as a member of Motacilla, the wagtail genus."

Advanced Usage

• In Taxonomic Hierarchy: The term is used to denote a rank above species and below family. For example: Family: Motacillidae; Genus: ; Species: (the white wagtail).

Variants and Related Words

• Motacilla: The abbreviated form of the genus name, used identically in scientific writing (e.g., ).
• Motacillidae (noun): The bird family that includes the genus , along with other genera like (pipits).
• wagtail (noun): The common English name for birds in this genus.

Synonyms

• Wagtails (common name)

Related Terms (Scientific Context)

• Type genus: is designated the type genus for the family Motacillidae, meaning it is the genus that defines the family's characteristics.
• Passerine: Refers to the perching bird order (Passeriformes) to which this genus belongs.

Noun

1. type genus of the Motacillidae: wagtails