Cactus aphid vs Eurasian beaver

Aphis sedi compared with Castor fiber

Key Differences

• Cactus aphid is Not Evaluated while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Cactus aphid	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Hemiptera (Hemiptera)	Rodentia (Rodents)
Family	Aphididae	Castoridae (Beavers)
Genus	Aphis	Castor (Beavers)
Species	Aphis sedi	Castor fiber

Evolutionary Relationship

Cactus aphid and Eurasian beaver share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Cactus aphid

NE — Not Evaluated

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Cactus aphid	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cactus aphid

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States.

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.

Cactus aphid

The Cactus aphid (Aphis sedi) is a species in the genus Aphis. Typically found in virtually all terrestrial and freshwater habitats.

Eurasian beaver

Eurasian beaver (Castor fiber) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden