Ondatra vs Речная крачка

Ondatra zibethicus compared with Sterna hirundo

Key Differences

• Ondatra is Not Evaluated while Речная крачка is Endangered.

Taxonomic Classification

Rank	Ondatra	Речная крачка
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class	Mammalia (млекопитающие)	Aves (птицы)
Order	Rodentia (грызуны)	Charadriiformes (ржанкообразные)
Family	Cricetidae	Laridae
Genus	Ondatra	Sterna
Species	Ondatra zibethicus	Sterna hirundo

Evolutionary Relationship

Ondatra and Речная крачка share a common ancestor at the Phylum level: Chordata. (хордовые)

Conservation Status

Ondatra

NE — Not Evaluated

Речная крачка

EN — Endangered

Physical Characteristics

Attribute	Ondatra	Речная крачка
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ondatra

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (8 countries), Europe (37 countries), North America (United States), and South America (Argentina, Bolivia, Chile).

Речная крачка

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.

Ondatra

The Bisamratte (Ondatra zibethicus) is a species in the genus Ondatra. Typically found in diverse terrestrial and aquatic ecosystems.

Речная крачка

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.

Shared Countries

Both species can be found in 8 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇱🇺 Luxembourg 🇳🇴 Norway 🇵🇹 Portugal 🇷🇺 Russia 🇸🇪 Sweden 🇺🇸 United States