Lesser Pencil-tailed Tree Mouse vs Small Adder's-Tongue

Chiropodomys pusillus compared with Ophioglossum azoricum

Key Differences

• Lesser Pencil-tailed Tree Mouse is Data Deficient while Small Adder's-Tongue is Critically Endangered.

Taxonomic Classification

Rank	Lesser Pencil-tailed Tree Mouse	Small Adder's-Tongue
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Mammalia (Mammals)	Polypodiopsida (Polypodiopsida)
Order	Rodentia (Rodents)	Ophioglossales (Ophioglossales)
Family	Muridae (Mice & Rats)	Ophioglossaceae
Genus	Chiropodomys	Ophioglossum
Species	Chiropodomys pusillus	Ophioglossum azoricum

Conservation Status

Lesser Pencil-tailed Tree Mouse

DD — Data Deficient

Small Adder's-Tongue

CR — Critically Endangered

Physical Characteristics

Attribute	Lesser Pencil-tailed Tree Mouse	Small Adder's-Tongue
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesser Pencil-tailed Tree Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.