Allen's Big-eared Bat vs Gadwall

Idionycteris phyllotis compared with Mareca strepera

Taxonomic Classification

Rank	Allen's Big-eared Bat	Gadwall
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Anseriformes (Anseriformes)
Family	Vespertilionidae	Anatidae
Genus	Idionycteris	Mareca
Species	Idionycteris phyllotis	Mareca strepera

Evolutionary Relationship

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

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

Gadwall

LC — Least Concern

Physical Characteristics

Attribute	Allen's Big-eared Bat	Gadwall
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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).

Allen's Big-eared Bat

The Allen's Big-eared Bat (Idionycteris phyllotis) is a species in the genus Idionycteris. It is currently classified as Least Concern on the IUCN Red List. 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.