Eurasian beaver vs Great-tailed Grackle

Castor fiber compared with Quiscalus mexicanus

Key Differences

• Eurasian beaver is Vulnerable while Great-tailed Grackle is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Great-tailed Grackle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Castoridae (Beavers)	Icteridae
Genus	Castor (Beavers)	Quiscalus
Species	Castor fiber	Quiscalus mexicanus

Evolutionary Relationship

Eurasian beaver and Great-tailed Grackle share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Eurasian beaver

VU — Vulnerable

Great-tailed Grackle

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Great-tailed Grackle
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.

Great-tailed Grackle

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

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.

Great-tailed Grackle

Great-tailed Grackle (Quiscalus mexicanus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway