Eurasian red squirrel vs

Sciurus vulgaris compared with Nitzschia flexa

Key Differences

• Eurasian red squirrel is Least Concern while is Not Evaluated.

Taxonomic Classification

Rank	Eurasian red squirrel
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Chordata (Chordates)	Ochrophyta (Ochrophyta)
Class	Mammalia (Mammals)	Bacillariophyceae (Bacillariophyceae)
Order	Rodentia (Rodents)	Bacillariales (Bacillariales)
Family	Sciuridae (Squirrels)	Bacillariaceae
Genus	Sciurus (Tree Squirrels)	Nitzschia
Species	Sciurus vulgaris	Nitzschia flexa

Conservation Status

Eurasian red squirrel

LC — Least Concern

NE — Not Evaluated

Physical Characteristics

Attribute	Eurasian red squirrel
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).

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

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.

Nitzschia flexa is a pennate diatom (class Bacillariophyceae) with a characteristically curved or bent raphe system that gives the genus its distinctive appearance. It inhabits freshwater to brackish environments and contributes to benthic and planktonic algal communities. As a photosynthetic microalga, it plays a foundational role in aquatic food webs and primary production.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden