Eurasian red squirrel vs Far Eastern Brook Lamprey

Sciurus vulgaris compared with Lethenteron reissneri

Taxonomic Classification

Rank	Eurasian red squirrel	Far Eastern Brook Lamprey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Petromyzonti (Petromyzonti)
Order	Rodentia (Rodents)	Petromyzontiformes (lamprey)
Family	Sciuridae (Squirrels)	Petromyzontidae
Genus	Sciurus (Tree Squirrels)	Lethenteron
Species	Sciurus vulgaris	Lethenteron reissneri

Evolutionary Relationship

Eurasian red squirrel and Far Eastern Brook Lamprey share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Eurasian red squirrel

LC — Least Concern

Far Eastern Brook Lamprey

LC — Least Concern

Physical Characteristics

Attribute	Eurasian red squirrel	Far Eastern Brook Lamprey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eurasian red squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Asia (Georgia) and Europe (5 countries).

Far Eastern Brook Lamprey

Eurasian red squirrel

Eurasian red squirrel (Sciurus vulgaris) 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.