brown bear vs Red-billed Duck

Ursus arctos compared with Anas erythrorhyncha

Key Differences

• brown bear is Extinct while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	brown bear	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Carnivora (Carnivorans)	Anseriformes (Anseriformes)
Family	Ursidae (Bears)	Anatidae
Genus	Ursus (Bears)	Anas
Species	Ursus arctos	Anas erythrorhyncha

Evolutionary Relationship

brown bear and Red-billed Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

brown bear

EX — Extinct

Population: ~200.0K

Trend: Stable →

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	brown bear	Red-billed Duck
Diet	Omnivore	—
Average Lifespan	25 years	—
Average Length	2.0 m	—
Average Weight	300.0 kg	—

Habitat & Geographic Range

brown bear

Habitat

Typically found in a wide range of habitat types.

Range

Found across Europe (6 countries).

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

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.

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) 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 3 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇴 Norway