Red Fox vs River Tern

Vulpes vulpes compared with Sterna aurantia

Key Differences

• Red Fox is Least Concern while River Tern is Vulnerable.

Taxonomic Classification

Rank	Red Fox	River Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Carnivora (Carnivorans)	Charadriiformes (Charadriiformes)
Family	Canidae (Dogs & Wolves)	Laridae
Genus	Vulpes (Foxes)	Sterna
Species	Vulpes vulpes	Sterna aurantia

Evolutionary Relationship

Red Fox and River Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Red Fox

LC — Least Concern

Trend: Stable →

River Tern

VU — Vulnerable

Physical Characteristics

Attribute	Red Fox	River Tern
Diet	Omnivore	—
Average Lifespan	5 years	—
Average Length	70 cm	—
Average Weight	6.0 kg	—

Habitat & Geographic 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).

River Tern

Habitat

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

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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 1 countries:

🇳🇴 Norway