Definition

Noun: A type of bird belonging to the order Anseriformes, characterized primarily by being web-footed and adapted for swimming. This order includes ducks, geese, swans, and related species.

Usage

The term "anseriform bird" is a formal, scientific classification used in ornithology (the study of birds) and zoology. It is used to categorize and describe birds that share these specific anatomical and behavioral traits.

Examples

• The mallard is a common anseriform bird found in ponds and marshes.
• Ornithologists study the migration patterns of various anseriform birds.
• The primary characteristic of an anseriform bird is the presence of webbed feet for efficient swimming.

Advanced Usage

• The term is often used in contrast to other bird orders (e.g., passeriform birds, which are perching birds).
• It can be used in discussions about evolution, anatomy, and ecology. For example: "The fossil record provides evidence for the early diversification of anseriform birds."

Variants and Related Words

• Anseriformes (noun): The scientific name for the entire order to which these birds belong.
• Waterfowl (noun): A common, non-scientific term that largely overlaps with anseriform birds, referring to birds that live on or around water, such as ducks, geese, and swans.

Synonyms

• Waterfowl
• Web-footed bird
• Swimming bird

Antonyms

• Passerine bird (a perching bird, like a sparrow or robin)
• Raptor (a bird of prey, like an eagle or hawk)
• Flightless bird (a bird that cannot fly, like an ostrich or penguin)

Related Phrases

• Anseriform characteristics: Refers to the typical features of this order, such as a broad bill, webbed feet, and a waterproof plumage.
• Anseriform habitat: Describes the typical environments, like wetlands, lakes, and rivers, where these birds are found.

Noun

1. chiefly web-footed swimming birds