Gadwall vs Mexican Big-eared Bat

Mareca strepera compared with Corynorhinus mexicanus

Key Differences

• Gadwall is Least Concern while Mexican Big-eared Bat is Near Threatened.

Taxonomic Classification

Rank	Gadwall	Mexican Big-eared Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Chiroptera (Bats)
Family	Anatidae	Vespertilionidae
Genus	Mareca	Corynorhinus
Species	Mareca strepera	Corynorhinus mexicanus

Evolutionary Relationship

Gadwall and Mexican Big-eared Bat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gadwall

LC — Least Concern

Mexican Big-eared Bat

NT — Near Threatened

Physical Characteristics

Attribute	Gadwall	Mexican Big-eared Bat
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).

Mexican Big-eared Bat

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.