brown bear vs giraffe

Ursus arctos compared with Giraffa camelopardalis

Key Differences

  • brown bear is Extinct while giraffe is Vulnerable.
  • brown bear is omnivore while giraffe is herbivore.
  • giraffe is 4.0x heavier than brown bear.

Taxonomic Classification

Rank brown bear giraffe
Kingdom same Animalia (動物) Animalia (動物)
Phylum same Chordata (脊索動物) Chordata (脊索動物)
Class same Mammalia (哺乳類) Mammalia (哺乳類)
Order Carnivora (ネコ目) Artiodactyla (偶蹄目)
Family Ursidae (Bears) Giraffidae (Giraffes)
Genus Ursus (Bears) Giraffa (Giraffes)
Species Ursus arctos Giraffa camelopardalis

Evolutionary Relationship

brown bear and giraffe share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

brown bear

EX — Extinct

Population: ~200.0K

Trend: Stable →

giraffe

VU — Vulnerable

Population: ~117.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute brown bear giraffe
Diet Omnivore Herbivore
Average Lifespan 25 years 25 years
Average Length 2.0 m 5.5 m
Average Weight 300.0 kg 1.2 t

Habitat & Geographic Range

brown bear

Habitat

Typically found in a wide range of habitat types.

Range

Found across Europe (6 countries).

giraffe

Habitat

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

Range

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

brown bear

世界で最も広く分布するクマ科の種であるヒグマ(Ursus arctos)は、北アメリカとヨーロッパからロシアを経て日本まで、森林、ツンドラ、高山草原を占有します。成体はアラスカの沿岸個体群では最大700kgまで体重が増えることがあります。果物、根、魚、腐肉を食べる雑食動物で、ヒグマは景観全体に栄養素を分配するキーストーン種です。ほとんどの個体群は安定していますが、一部の亜種は脅威にさらされています。

giraffe

地球上で最も背の高い動物であるキリン(Giraffa camelopardalis)は体高が5.5mに達し、体重は最大1,750kgにもなる。すべての哺乳類と同じ7個の頸椎からなる長い首は、アフリカのサバンナや疎林のアカシアの木に食物を求めて進化した。永続的な絆を持たない緩やかな群れで生活する社会的動物で、超低周波音と身振りで意思疎通する。生息地の喪失と密猟により個体数が減少している危急種である。

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