Gadwall vs One-striped opossum

Mareca strepera compared with Monodelphis unistriata

Key Differences

• Gadwall is Least Concern while One-striped opossum is Critically Endangered.

Taxonomic Classification

Rank	Gadwall	One-striped 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	Monodelphis
Species	Mareca strepera	Monodelphis unistriata

Evolutionary Relationship

Gadwall and One-striped opossum share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gadwall

LC — Least Concern

One-striped opossum

CR — Critically Endangered

Physical Characteristics

Attribute	Gadwall	One-striped 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).

One-striped 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.