loutre, loutre deurope vs grand héron

Lutra lutra compared with Ardea herodias

Key Differences

• loutre, loutre deurope is Vulnerable while grand héron is Least Concern.

Taxonomic Classification

Rank	loutre, loutre deurope	grand héron
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (mammifères)	Aves (oiseau)
Order	Carnivora (carnivores)	Pelecaniformes (Pelecaniformes)
Family	Mustelidae (Weasels & Otters)	Ardeidae
Genus	Lutra (Otters)	Ardea
Species	Lutra lutra	Ardea herodias

Evolutionary Relationship

loutre, loutre deurope and grand héron share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

loutre, loutre deurope

VU — Vulnerable

Trend: Stable →

grand héron

LC — Least Concern

Physical Characteristics

Attribute	loutre, loutre deurope	grand héron
Diet	Carnivore	—
Average Lifespan	10 years	—
Average Length	1.0 m	—
Average Weight	10.0 kg	—

Habitat & Geographic Range

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.

grand héron

Habitat

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

Range

Widely distributed across Europe (5 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

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.

grand héron

Great Blue/Cocoi Heron (Ardea herodias) 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.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway