Allen's Big-eared Bat vs Azara's Spinetail

Idionycteris phyllotis compared with Synallaxis azarae

Taxonomic Classification

Rank	Allen's Big-eared Bat	Azara's Spinetail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Passeriformes (Songbirds)
Family	Vespertilionidae	Furnariidae
Genus	Idionycteris	Synallaxis
Species	Idionycteris phyllotis	Synallaxis azarae

Evolutionary Relationship

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

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

Azara's Spinetail

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Azara's Spinetail

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

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.

Azara's Spinetail

Azara's Spinetail (Synallaxis azarae) 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.