purple martin

Thân thiện

A purple martin perches on a birdhouse in a sunny backyard.

Definition

Noun: 1. A large North American swallow (Progne subis): A specific species of bird belonging to the swallow family (Hirundinidae). It is characterized by its relatively large size for a swallow and, in adult males, by its distinctive, glossy blue-black plumage.

Usage and Examples

• The purple martin is a highly social bird that often nests in colonies in specially designed birdhouses.
• Birdwatchers eagerly await the return of the purple martin each spring as a sign of the season.
• Unlike many other swallow species, the purple martin in eastern North America has become almost entirely dependent on human-provided nesting structures.

Advanced Usage and Notes

• The common name can be slightly misleading, as the male's plumage is iridescent blue-black, not truly purple. The "purple" in the name likely refers to this dark, glossy sheen which can appear purplish in certain lights.
• The species exhibits sexual dimorphism: the adult male is the solid blue-black bird, while the adult female and immature birds have grayish underparts and a lighter, sometimes speckled, chest.

Variants and Related Words

• Martin (noun): The general term for various birds of the swallow family, often referring to species in the genera or . The purple martin is the largest of these in North America.

Synonyms

• Progne subis: The scientific (Latin) name for the species.

Học thuật

Noun

1. large North American martin of which the male is blue-black

Từ đồng nghĩa

• progne subis