Amazon River Dolphin vs Eurasian beaver

Inia geoffrensis compared with Castor fiber

Key Differences

• Amazon River Dolphin is Data Deficient while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Amazon River Dolphin	Eurasian beaver
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Cetacea (Whales & Dolphins)	Rodentia (啮齿目)
Family	Iniidae	Castoridae (Beavers)
Genus	Inia	Castor (Beavers)
Species	Inia geoffrensis	Castor fiber

Evolutionary Relationship

Amazon River Dolphin and Eurasian beaver share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Amazon River Dolphin

DD — Data Deficient

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Amazon River Dolphin	Eurasian beaver
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.

Eurasian beaver

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Eurasian beaver

欧亚河狸（Castor fiber）在IUCN红色名录中被列为易危（VU）。面临野外高度濒危风险，种群数量下降，栖息地压力日益增大。