Flussseeschwalbe vs Iltis, Waldiltis

Sterna hirundo compared with Mustela putorius

Key Differences

• Flussseeschwalbe is Endangered while Iltis, Waldiltis is Vulnerable.

Taxonomic Classification

Rank	Flussseeschwalbe	Iltis, Waldiltis
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class	Aves (Vögel)	Mammalia (Säugetiere)
Order	Charadriiformes (Regenpfeiferartige)	Carnivora (Raubtiere)
Family	Laridae	Mustelidae (Weasels & Otters)
Genus	Sterna	Mustela
Species	Sterna hirundo	Mustela putorius

Evolutionary Relationship

Flussseeschwalbe and Iltis, Waldiltis share a common ancestor at the Phylum level: Chordata. (Chordatiere)

Conservation Status

Flussseeschwalbe

EN — Endangered

Iltis, Waldiltis

VU — Vulnerable

Physical Characteristics

Attribute	Flussseeschwalbe	Iltis, Waldiltis
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Flussseeschwalbe

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 9 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Europe (7 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Iltis, Waldiltis

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (10 countries) and South America (Brazil, Colombia). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Flussseeschwalbe

Common Tern (Sterna hirundo) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Iltis, Waldiltis

European polecat (Mustela putorius) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 7 countries:

🇧🇪 Belgium 🇨🇴 Colombia 🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇷🇺 Russia 🇸🇪 Sweden