Gadwall vs Narrow-headed Slender Opossum

Mareca strepera compared with Marmosops cracens

Key Differences

• Gadwall is Least Concern while Narrow-headed Slender Opossum is Data Deficient.

Taxonomic Classification

Rank	Gadwall	Narrow-headed Slender Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Didelphimorphia (Didelphimorphia)
Family	Anatidae	Didelphidae
Genus	Mareca	Marmosops
Species	Mareca strepera	Marmosops cracens

Evolutionary Relationship

Gadwall and Narrow-headed Slender Opossum share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gadwall

LC — Least Concern

Narrow-headed Slender Opossum

DD — Data Deficient

Physical Characteristics

Attribute	Gadwall	Narrow-headed Slender Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gadwall

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia).

Narrow-headed Slender Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

Gadwall

Gadwall (Mareca strepera) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.