blue-winged teal
Học thuậtThân thiện
Definition
- Noun:
- A small dabbling duck of North America: The "blue-winged teal" is a species of duck (Spatula discors) characterized by a distinctive blue patch on the forewing of the male, visible in flight. It is a migratory bird commonly found in marshes and ponds.
Usage Examples
- Noun:
- We spotted a flock of blue-winged teal resting on the marsh.
- The male blue-winged teal is easily identified by the bright blue shoulder patch.
Advanced Usage
- As a subject in ornithology and birdwatching: The term is used precisely in scientific and hobbyist contexts to identify this specific species.
- The annual migration of the blue-winged teal is a key indicator of seasonal wetland health.
Variants and Related Words
- Teal (noun): A general term for small, freshwater dabbling ducks, which includes the blue-winged teal and other species like the green-winged teal.
- Dabbling duck (noun): A category of ducks that feed primarily on the surface of the water or by tipping forward, to which the blue-winged teal belongs.
Synonyms
- Anas discors (obsolete scientific name): The former genus and species name.
- American teal: A common alternative name.
Related Phrases
- Blue-winged: This adjective compound describes the specific wing coloration, but is primarily used in the full species name "blue-winged teal." It is not typically used as an independent phrasal verb or idiom.