Gadwall vs Gray-bellied Rice Rat

Mareca strepera compared with Nephelomys moerex

Key Differences

• Gadwall is Least Concern while Gray-bellied Rice Rat is Extinct.

Taxonomic Classification

Rank	Gadwall	Gray-bellied Rice Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Rodentia (Rodents)
Family	Anatidae	Cricetidae
Genus	Mareca	Nephelomys
Species	Mareca strepera	Nephelomys moerex

Evolutionary Relationship

Gadwall and Gray-bellied Rice Rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gadwall

LC — Least Concern

Gray-bellied Rice Rat

EX — Extinct

Physical Characteristics

Attribute	Gadwall	Gray-bellied Rice Rat
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).

Gray-bellied Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

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.