Gadwall vs Hudson s Thomaomys

Mareca strepera compared with Thomasomys hudsoni

Key Differences

• Gadwall is Least Concern while Hudson s Thomaomys is Vulnerable.

Taxonomic Classification

Rank	Gadwall	Hudson s Thomaomys
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	Thomasomys
Species	Mareca strepera	Thomasomys hudsoni

Evolutionary Relationship

Gadwall and Hudson s Thomaomys share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gadwall

LC — Least Concern

Hudson s Thomaomys

VU — Vulnerable

Physical Characteristics

Attribute	Gadwall	Hudson s Thomaomys
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).

Hudson s Thomaomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.