Birch Sober vs Otter, Fischotter

Anacampsis blattariella compared with Lutra lutra

Key Differences

• Birch Sober is Least Concern while Otter, Fischotter is Vulnerable.

Taxonomic Classification

Rank	Birch Sober	Otter, Fischotter
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Arthropoda (Gliederfüßer)	Chordata (Chordatiere)
Class	Insecta (Insekten)	Mammalia (Säugetiere)
Order	Lepidoptera (Schmetterlinge)	Carnivora (Raubtiere)
Family	Gelechiidae	Mustelidae (Weasels & Otters)
Genus	Anacampsis	Lutra (Otters)
Species	Anacampsis blattariella	Lutra lutra

Evolutionary Relationship

Birch Sober and Otter, Fischotter share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Birch Sober

LC — Least Concern

Otter, Fischotter

VU — Vulnerable

Trend: Stable →

Physical Characteristics

Attribute	Birch Sober	Otter, Fischotter
Diet	—	Carnivore
Average Lifespan	—	10 years
Average Length	—	1.0 m
Average Weight	—	10.0 kg

Habitat & Geographic Range

Birch Sober

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Otter, Fischotter

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Birch Sober

The Birch Sober (Anacampsis blattariella) is a species in the genus Anacampsis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Otter, Fischotter

Sleek semi-aquatic mustelid found along clean rivers, streams, and coastlines across Europe and Asia. European otters can reach 1.3 meters in length and are highly skilled fish hunters, using sensitive whiskers to detect prey movements. Requiring unpolluted water with abundant fish, they are an indicator species for freshwater ecosystem health. Once nearly extinct in Western Europe from hunting and pollution, populations have recovered significantly following water quality improvements.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden