genus Halcyon

Học thuật
Thân thiện
Definition

Noun: 1. A taxonomic genus of birds: "Genus Halcyon" is the scientific name for a genus of tree kingfishers. These are typically large, colorful kingfishers found in warm regions of Asia, Africa, and Australasia.

Usage Notes
  • "Genus Halcyon" is a formal, scientific term used primarily in biology, ornithology, and taxonomy. It is not used in everyday conversation.
  • In scientific writing, the genus name is always italicized (or underlined in handwriting): .
  • When used in a common context, birds of this genus are often referred to simply as "halcyon kingfishers" or "tree kingfishers."
Examples
  • Scientific Context:
    • The bird was identified as a member of genus Halcyon due to its large size and distinctive beak.
    • Several species within genus Halcyon are known for their vibrant blue and chestnut plumage.
  • General Context:
    • The Halcyon kingfisher sat motionless on the branch, watching for prey.
Advanced Usage
  • Binomial Nomenclature: In the two-part scientific naming system, "Halcyon" is the genus. A specific species combines the genus name with a species epithet (e.g., , the White-throated Kingfisher).
Variants and Related Words
  • Halcyon (noun): When used alone (and often capitalized), it can refer to any kingfisher of this genus. It is also a poetic or literary term for a kingfisher in general.
    • A halcyon darted across the river.
  • Halcyon (adjective): This is a separate, common English word meaning "denoting a period of time in the past that was idyllically happy and peaceful." It originates from the mythical bird "halcyon," associated with calm weather.
    • She remembered the halcyon days of her youth.
Synonyms
  • Tree kingfisher (general term): A common name for birds in the subfamily Halcyoninae, which includes genus .
  • Wood kingfisher: Another informal name for these birds.
Related Idioms
  • Halcyon days: This idiom uses the adjective form, not directly the genus name. It refers to a past time of peace, happiness, and prosperity.
    • He often spoke of the halcyon days before the war.
Noun
  1. a large kingfisher widely distributed in warmer parts of the Old World

Từ đồng nghĩa