Big Free-tailed Bat vs Chatham Petrel

Nyctinomops macrotis compared with Pterodroma axillaris

Key Differences

• Big Free-tailed Bat is Least Concern while Chatham Petrel is Vulnerable.

Taxonomic Classification

Rank	Big Free-tailed Bat	Chatham Petrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Procellariiformes (Procellariiformes)
Family	Molossidae	Procellariidae
Genus	Nyctinomops	Pterodroma
Species	Nyctinomops macrotis	Pterodroma axillaris

Evolutionary Relationship

Big Free-tailed Bat and Chatham Petrel share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big Free-tailed Bat

LC — Least Concern

Chatham Petrel

VU — Vulnerable

Physical Characteristics

Attribute	Big Free-tailed Bat	Chatham Petrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Free-tailed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Chatham Petrel

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.

Big Free-tailed Bat

The Big Free-tailed Bat (Nyctinomops macrotis) is a species in the genus Nyctinomops. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Chatham Petrel

The Chatham Petrel (Pterodroma axillaris) is a species in the genus Pterodroma. It is currently classified as Vulnerable on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.