Hölker vs Darling Downs Hopping Mouse

Littorina littorea compared with Notomys mordax

Key Differences

• Hölker is Least Concern while Darling Downs Hopping Mouse is Extinct.

Taxonomic Classification

Rank	Hölker	Darling Downs Hopping Mouse
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Mollusca (Weichtiere)	Chordata (Chordatiere)
Class	Gastropoda (Schnecken)	Mammalia (Säugetiere)
Order	Littorinimorpha (Littorinimorpha)	Rodentia (Nagetiere)
Family	Littorinidae	Muridae (Mice & Rats)
Genus	Littorina	Notomys
Species	Littorina littorea	Notomys mordax

Evolutionary Relationship

Hölker and Darling Downs Hopping Mouse share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Hölker

LC — Least Concern

Darling Downs Hopping Mouse

EX — Extinct

Physical Characteristics

Attribute	Hölker	Darling Downs Hopping Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hölker

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Found across Europe (4 countries) and North America (Canada, United States).

Darling Downs Hopping Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Hölker

Common Periwinkle (Littorina littorea) 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.