Birdlike Noctule vs Eurasian beaver

Nyctalus aviator compared with Castor fiber

Key Differences

• Birdlike Noctule is Near Threatened while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Birdlike Noctule	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	Chiroptera (翼手目)	Rodentia (啮齿目)
Family	Vespertilionidae	Castoridae (Beavers)
Genus	Nyctalus	Castor (Beavers)
Species	Nyctalus aviator	Castor fiber

Evolutionary Relationship

Birdlike Noctule and Eurasian beaver share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Birdlike Noctule

NT — Near Threatened

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Birdlike Noctule	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Birdlike Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Birdlike Noctule

The Birdlike Noctule (Nyctalus aviator) is a species in the genus Nyctalus. It is currently classified as Near Threatened on the IUCN Red List. 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。