Allen's Big-eared Bat vs Red-Throated Diver

Idionycteris phyllotis compared with Gavia stellata

Key Differences

• Allen's Big-eared Bat is Least Concern while Red-Throated Diver is Near Threatened.

Taxonomic Classification

Rank	Allen's Big-eared Bat	Red-Throated Diver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Gaviiformes (Gaviiformes)
Family	Vespertilionidae	Gaviidae
Genus	Idionycteris	Gavia
Species	Idionycteris phyllotis	Gavia stellata

Evolutionary Relationship

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

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

Red-Throated Diver

NT — Near Threatened

Physical Characteristics

Attribute	Allen's Big-eared Bat	Red-Throated Diver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Red-Throated Diver

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (5 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Red-Throated Diver

Red-Throated Diver (Gavia stellata) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.