Buff Button vs Canadian beaver

Acleris permutana compared with Castor canadensis

Key Differences

• Buff Button is Vulnerable while Canadian beaver is Not Evaluated.

Taxonomic Classification

Rank	Buff Button	Canadian beaver
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Arthropoda (节肢动物门)	Chordata (脊索动物门)
Class	Insecta (昆蟲綱)	Mammalia (哺乳動物)
Order	Lepidoptera (鱗翅目)	Rodentia (啮齿目)
Family	Tortricidae	Castoridae (Beavers)
Genus	Acleris	Castor (Beavers)
Species	Acleris permutana	Castor canadensis

Evolutionary Relationship

Buff Button and Canadian beaver share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Buff Button

VU — Vulnerable

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Physical Characteristics

Attribute	Buff Button	Canadian beaver
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	1.0 m
Average Weight	—	25.0 kg

Habitat & Geographic Range

Buff Button

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Canadian beaver

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Widely distributed across Europe (15 countries), North America (United States), and South America (Argentina, Chile).

Buff Button

The Buff Button (Acleris permutana) is a species in the genus Acleris. It is currently classified as Vulnerable on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Canadian beaver

北美最大的啮齿动物加拿大河狸体重可达32公斤，是栖息于加拿大和美国北部河流、湖泊和湿地的杰出生态系统工程师。通过伐木和建造可达数百米的水坝形成水塘，为数百种物种提供生境。其巢穴和运河改变了整个流域。曾因毛皮贸易被猎杀至濒临灭绝，但种群已大幅恢复。

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇸🇪 Sweden