Nyctale de tengmalm vs loutre, loutre deurope

Aegolius funereus compared with Lutra lutra

Key Differences

• Nyctale de tengmalm is Least Concern while loutre, loutre deurope is Vulnerable.

Taxonomic Classification

Rank	Nyctale de tengmalm	loutre, loutre deurope
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (oiseau)	Mammalia (mammifères)
Order	Strigiformes (Owls)	Carnivora (carnivores)
Family	Strigidae (True Owls)	Mustelidae (Weasels & Otters)
Genus	Aegolius	Lutra (Otters)
Species	Aegolius funereus	Lutra lutra

Evolutionary Relationship

Nyctale de tengmalm and loutre, loutre deurope share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Nyctale de tengmalm

LC — Least Concern

loutre, loutre deurope

VU — Vulnerable

Trend: Stable →

Physical Characteristics

Attribute	Nyctale de tengmalm	loutre, loutre deurope
Diet	—	Carnivore
Average Lifespan	—	10 years
Average Length	—	1.0 m
Average Weight	—	10.0 kg

Habitat & Geographic Range

Nyctale de tengmalm

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (6 countries) and North America (United States).

loutre, loutre deurope

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.

Nyctale de tengmalm

The Boreal Owl (Aegolius funereus) is a species in the genus Aegolius. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

loutre, loutre deurope

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 6 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇷🇺 Russia 🇸🇪 Sweden 🇺🇦 Ukraine