Aders' duiker vs brown bear

Cephalophus adersi compared with Ursus arctos

Key Differences

• Aders' duiker is Critically Endangered while brown bear is Extinct.

Taxonomic Classification

Rank	Aders' duiker	brown bear
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Artiodactyla (Even-toed Ungulates)	Carnivora (Carnivorans)
Family	Bovidae (Bovids)	Ursidae (Bears)
Genus	Cephalophus	Ursus (Bears)
Species	Cephalophus adersi	Ursus arctos

Evolutionary Relationship

Aders' duiker and brown bear share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Aders' duiker

CR — Critically Endangered

brown bear

EX — Extinct

Population: ~200.0K

Trend: Stable →

Physical Characteristics

Attribute	Aders' duiker	brown bear
Diet	—	Omnivore
Average Lifespan	—	25 years
Average Length	—	2.0 m
Average Weight	—	300.0 kg

Habitat & Geographic Range

Aders' duiker

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 5 distinct biome types within the Afrotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

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

brown bear

Habitat

Typically found in a wide range of habitat types.

Range

Found across Europe (6 countries).

Aders' duiker

The Aders' duiker (Cephalophus adersi) is a species in the genus Cephalophus. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 5 distinct biome types within the Afrotropic biogeo.

brown bear

The world's most widely distributed bear species, brown bears range from North America and Europe across Russia to Japan, occupying forests, tundra, and alpine meadows. Adults can weigh up to 700 kg in coastal Alaskan populations. Omnivores that consume berries, roots, fish, and carrion, brown bears are a keystone species that distribute nutrients across landscapes. Most populations are stable, though some subspecies are threatened.