Mexican free-tailed bat vs River Tern

Tadarida brasiliensis compared with Sterna aurantia

Key Differences

• Mexican free-tailed bat is Least Concern while River Tern is Vulnerable.

Taxonomic Classification

Rank	Mexican free-tailed bat	River Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Charadriiformes (Charadriiformes)
Family	Molossidae	Laridae
Genus	Tadarida	Sterna
Species	Tadarida brasiliensis	Sterna aurantia

Evolutionary Relationship

Mexican free-tailed bat and River Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Mexican free-tailed bat

LC — Least Concern

River Tern

VU — Vulnerable

Physical Characteristics

Attribute	Mexican free-tailed bat	River Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Mexican free-tailed bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

River Tern

Habitat

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

Range

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