Eurasian beaver vs Hallowell’s Tree Frog

Castor fiber compared with Hyla hallowellii

Key Differences

• Eurasian beaver is Vulnerable while Hallowell’s Tree Frog is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Hallowell’s Tree Frog
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)	Amphibia (两栖动物)
Order	Rodentia (啮齿目)	Anura (无尾目)
Family	Castoridae (Beavers)	Hylidae
Genus	Castor (Beavers)	Hyla
Species	Castor fiber	Hyla hallowellii

Evolutionary Relationship

Eurasian beaver and Hallowell’s Tree Frog share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Eurasian beaver

VU — Vulnerable

Hallowell’s Tree Frog

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Hallowell’s Tree Frog
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.

Hallowell’s Tree Frog

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

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。