Ondatra vs Ruff

Ondatra zibethicus compared with Calidris pugnax

Key Differences

• Ondatra is Not Evaluated while Ruff is Least Concern.

Taxonomic Classification

Rank	Ondatra	Ruff
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class	Mammalia (млекопитающие)	Aves (птицы)
Order	Rodentia (грызуны)	Charadriiformes (ржанкообразные)
Family	Cricetidae	Scolopacidae
Genus	Ondatra	Calidris
Species	Ondatra zibethicus	Calidris pugnax

Evolutionary Relationship

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

Conservation Status

Ondatra

NE — Not Evaluated

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Ondatra	Ruff
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).

Ruff

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Venezuela).

Ondatra

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

Ruff

Ruff (Calidris pugnax) 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 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States