Hölker vs Isabelle's Serotine

Littorina littorea compared with Eptesicus isabellinus

Taxonomic Classification

Rank	Hölker	Isabelle's Serotine
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Mollusca (Weichtiere)	Chordata (Chordatiere)
Class	Gastropoda (Schnecken)	Mammalia (Säugetiere)
Order	Littorinimorpha (Littorinimorpha)	Chiroptera (Fledertiere)
Family	Littorinidae	Vespertilionidae
Genus	Littorina	Eptesicus
Species	Littorina littorea	Eptesicus isabellinus

Evolutionary Relationship

Hölker and Isabelle's Serotine share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Hölker

LC — Least Concern

Isabelle's Serotine

LC — Least Concern

Physical Characteristics

Attribute	Hölker	Isabelle's Serotine
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).

Isabelle's Serotine

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.