Amazon River Dolphin vs Red-faced Spinetail

Inia geoffrensis compared with Cranioleuca erythrops

Key Differences

• Amazon River Dolphin is Data Deficient while Red-faced Spinetail is Least Concern.

Taxonomic Classification

Rank	Amazon River Dolphin	Red-faced Spinetail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Passeriformes (Songbirds)
Family	Iniidae	Furnariidae
Genus	Inia	Cranioleuca
Species	Inia geoffrensis	Cranioleuca erythrops

Evolutionary Relationship

Amazon River Dolphin and Red-faced Spinetail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazon River Dolphin

DD — Data Deficient

Red-faced Spinetail

LC — Least Concern

Physical Characteristics

Attribute	Amazon River Dolphin	Red-faced Spinetail
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.

Red-faced Spinetail

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.

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.

Red-faced Spinetail

Red-faced Spinetail (Cranioleuca erythrops) 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.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇪🇨 Ecuador