Amazon River Dolphin vs Big Free-tailed Bat

Inia geoffrensis compared with Nyctinomops macrotis

Key Differences

• Amazon River Dolphin is Data Deficient while Big Free-tailed Bat is Least Concern.

Taxonomic Classification

Rank	Amazon River Dolphin	Big Free-tailed Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Cetacea (Whales & Dolphins)	Chiroptera (Bats)
Family	Iniidae	Molossidae
Genus	Inia	Nyctinomops
Species	Inia geoffrensis	Nyctinomops macrotis

Evolutionary Relationship

Amazon River Dolphin and Big Free-tailed Bat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Amazon River Dolphin

DD — Data Deficient

Big Free-tailed Bat

LC — Least Concern

Physical Characteristics

Attribute	Amazon River Dolphin	Big Free-tailed Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon River Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Big Free-tailed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Amazon River Dolphin

The Amazon River Dolphin (Inia geoffrensis) is a species in the genus Inia. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment. Typically found in diverse terrestrial and aquatic ecosystems.

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.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela