Polar bear vs Rice

Ursus maritimus compared with Oryza sativa

Key Differences

Polar bear is Vulnerable while Rice is Not Evaluated.
Polar bear is carnivore while Rice is autotroph.
Polar bear lives longer (25 years vs 1 years).

Taxonomic Classification

Rank	Polar bear	Rice
Kingdom	Animalia (动物界)	Plantae (植物)
Phylum	Chordata (脊索动物门)	Magnoliophyta (木兰植物门)
Class	Mammalia (哺乳動物)	Liliopsida (百合纲)
Order	Carnivora (食肉目)	Poales (禾本目)
Family	Ursidae (Bears)	Poaceae (Grass Family)
Genus	Ursus (Bears)	Oryza (Rice)
Species	Ursus maritimus	Oryza sativa

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Rice

NE — Not Evaluated

Trend: Stable →

Physical Characteristics

Attribute	Polar bear	Rice
Diet	Carnivore	Autotroph
Average Lifespan	25 years	1 years
Average Length	2.4 m	1.2 m
Average Weight	450.0 kg	—

Habitat & Geographic Range

Polar bear

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

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

Rice

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Widely distributed across Africa (12 countries), Asia (5 countries), Europe (11 countries), North America (Belize, United States), Oceania and the Pacific (Australia), and South America (5 countries).

Polar bear

北极熊是地球上最大的陆地食肉动物，体重可超过700千克，分布于从加拿大到俄罗斯的北极海冰区。是高度特化的海洋哺乳动物，依赖海冰捕猎环斑海豹和髯海豹。是优秀的游泳者，能够横渡广阔的开阔水域。被列为易危种，因气候变化导致北极海冰迅速减少，种群正受到严重威胁。

Rice

水稻（Oryza sativa）是人类历史上最重要的粮食作物，养活了全球超过一半的人口，是亚洲、非洲和拉丁美洲的主食谷物。约9,000年前在中国长江流域从野生稻（Oryza rufipogon）驯化而来，水稻种植塑造了文明、景观和生态系统。淹水稻田耕作为候鸟、两栖动物和水生无脊椎动物创造了广泛的湿地生境，同时也产生大量甲烷排放。