American red squirrel vs Small Adder's-Tongue

Tamiasciurus hudsonicus compared with Ophioglossum azoricum

Key Differences

• American red squirrel is Not Evaluated while Small Adder's-Tongue is Critically Endangered.

Taxonomic Classification

Rank	American red squirrel	Small Adder's-Tongue
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Mammalia (Mammals)	Polypodiopsida (Polypodiopsida)
Order	Rodentia (Rodents)	Ophioglossales (Ophioglossales)
Family	Sciuridae (Squirrels)	Ophioglossaceae
Genus	Tamiasciurus	Ophioglossum
Species	Tamiasciurus hudsonicus	Ophioglossum azoricum

Conservation Status

American red squirrel

NE — Not Evaluated

Small Adder's-Tongue

CR — Critically Endangered

Physical Characteristics

Attribute	American red squirrel	Small Adder's-Tongue
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American red squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries) and North America (United States).

Small Adder's-Tongue

Habitat

Inhabits boreal forests and taiga within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, Iceland, Norway, Portugal, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

American red squirrel

The American red squirrel (Tamiasciurus hudsonicus) is a species in the genus Tamiasciurus. Typically found in diverse terrestrial and aquatic ecosystems.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway