Ray's Knotgrass vs Red Fox

Polygonum oxyspermum compared with Vulpes vulpes

Key Differences

• Ray's Knotgrass is Endangered while Red Fox is Least Concern.

Taxonomic Classification

Rank	Ray's Knotgrass	Red Fox
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Mammalia (Mammals)
Order	Caryophyllales (Caryophyllales)	Carnivora (Carnivorans)
Family	Polygonaceae	Canidae (Dogs & Wolves)
Genus	Polygonum	Vulpes (Foxes)
Species	Polygonum oxyspermum	Vulpes vulpes

Conservation Status

Ray's Knotgrass

EN — Endangered

Red Fox

LC — Least Concern

Trend: Stable →

Physical Characteristics

Attribute	Ray's Knotgrass	Red Fox
Diet	—	Omnivore
Average Lifespan	—	5 years
Average Length	—	70 cm
Average Weight	—	6.0 kg

Habitat & Geographic Range

Ray's Knotgrass

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Red Fox

Habitat

Typically found in a wide range of habitat types.

Range

Widely distributed across Asia (Cyprus, Israel), Europe (8 countries), North America (United States), Oceania and the Pacific (Australia), and South America (Argentina).

Red Fox

The most widespread wild carnivore on Earth, red foxes have colonized habitats from Arctic tundra to urban environments across the Northern Hemisphere and introduced ranges in Australia. Recognized by their russet coat, white belly, and bushy tail. Highly adaptable omnivores, red foxes eat everything from rabbits and voles to fruit and human refuse. They communicate with over 40 distinct vocalizations.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden