Gadwall vs Heavy-browed Mouse Opossum

Mareca strepera compared with Marmosa andersoni

Key Differences

• Gadwall is Least Concern while Heavy-browed Mouse Opossum is Data Deficient.

Taxonomic Classification

Rank	Gadwall	Heavy-browed Mouse 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	Marmosa
Species	Mareca strepera	Marmosa andersoni

Evolutionary Relationship

Gadwall and Heavy-browed Mouse Opossum share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gadwall

LC — Least Concern

Heavy-browed Mouse Opossum

DD — Data Deficient

Physical Characteristics

Attribute	Gadwall	Heavy-browed Mouse 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).

Heavy-browed Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.