Eurasian beaver vs Java stingaree

Castor fiber compared with Urolophus javanicus

Key Differences

• Eurasian beaver is Vulnerable while Java stingaree is Critically Endangered.

Taxonomic Classification

Rank	Eurasian beaver	Java stingaree
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	Mammalia (哺乳動物)	Elasmobranchii
Order	Rodentia (啮齿目)	Myliobatiformes (鱝目)
Family	Castoridae (Beavers)	Urolophidae
Genus	Castor (Beavers)	Urolophus
Species	Castor fiber	Urolophus javanicus

Evolutionary Relationship

Eurasian beaver and Java stingaree share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Eurasian beaver

VU — Vulnerable

Java stingaree

CR — Critically Endangered

Physical Characteristics

Attribute	Eurasian beaver	Java stingaree
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Java stingaree

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。