Amerikanischer Biber vs Gemeine Kugelschnecke

Castor canadensis compared with Akera bullata

Key Differences

• Amerikanischer Biber is Not Evaluated while Gemeine Kugelschnecke is Least Concern.

Taxonomic Classification

Rank	Amerikanischer Biber	Gemeine Kugelschnecke
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Chordata (Chordatiere)	Mollusca (Weichtiere)
Class	Mammalia (Säugetiere)	Gastropoda (Schnecken)
Order	Rodentia (Nagetiere)	Aplysiida (Aplysiida)
Family	Castoridae (Beavers)	Akeridae
Genus	Castor (Beavers)	Akera
Species	Castor canadensis	Akera bullata

Evolutionary Relationship

Amerikanischer Biber and Gemeine Kugelschnecke share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Amerikanischer Biber

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Gemeine Kugelschnecke

LC — Least Concern

Physical Characteristics

Attribute	Amerikanischer Biber	Gemeine Kugelschnecke
Diet	Herbivore	—
Average Lifespan	15 years	—
Average Length	1.0 m	—
Average Weight	25.0 kg	—

Habitat & Geographic Range

Amerikanischer Biber

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Widely distributed across Europe (15 countries), North America (United States), and South America (Argentina, Chile).

Gemeine Kugelschnecke

Habitat

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

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

Amerikanischer Biber

The largest rodent in North America, Canadian beavers weigh up to 32 kg and are master ecosystem engineers inhabiting rivers, lakes, and wetlands across Canada and the northern United States. By felling trees and constructing dams up to hundreds of meters long, beavers create ponds that provide habitat for hundreds of species. Their lodges and canals transform entire watersheds. Once nearly hunted to extinction for their fur, beaver populations have recovered strongly.

Gemeine Kugelschnecke

The common bubble snail (<em>Akera bullata</em>) is a marine gastropod mollusc found in the coastal waters of Denmark, Norway, Portugal, and Sweden. This species typically inhabits terrestrial and aquatic environments including forests and freshwater-adjacent marine areas, often occurring in shallow subtidal and intertidal zones of temperate European seas. It is classified as Least Concern on the IUCN Red List. As a member of the family Akeridae, the common bubble snail is characterized by its thin, fragile shell and its ability to swim briefly by flapping its large, wing-like parapodia. The species often forages on algae and detritus in sandy and muddy seafloor habitats, particularly in sheltered bays and estuaries. The common bubble snail typically aggregates in large numbers during the spawning season, producing gelatinous egg masses. Biological traits of this species remain poorly documented in the scientific literature.

Shared Countries

Both species can be found in 3 countries:

🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden