Fly Agaric vs Polar bear

Amanita muscaria compared with Ursus maritimus

Key Differences

Fly Agaric is Least Concern while Polar bear is Vulnerable.
Fly Agaric is decomposer while Polar bear is carnivore.
Polar bear is 4500.0x heavier than Fly Agaric.
Polar bear lives longer (25 years vs 1 years).

Taxonomic Classification

Rank	Fly Agaric	Polar bear
Kingdom	Fungi (真菌界)	Animalia (动物界)
Phylum	Basidiomycota (担子菌门)	Chordata (脊索动物门)
Class	Agaricomycetes (傘菌綱)	Mammalia (哺乳動物)
Order	Agaricales (伞菌目)	Carnivora (食肉目)
Family	Agaricaceae (Agarics)	Ursidae (Bears)
Genus	Amanita (Amanitas)	Ursus (Bears)
Species	Amanita muscaria	Ursus maritimus

Conservation Status

Fly Agaric

LC — Least Concern

Trend: Stable →

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Fly Agaric	Polar bear
Diet	Decomposer	Carnivore
Average Lifespan	1 years	25 years
Average Length	20 cm	2.4 m
Average Weight	100 g	450.0 kg

Habitat & Geographic Range

Fly Agaric

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Widely distributed across Europe (4 countries), North America (United States), Oceania and the Pacific (New Zealand), and South America (Brazil, Chile, Colombia).

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.

Fly Agaric

毒蝇鹅膏菌（Amanita muscaria）是地球上最具标志性和辨识度的真菌，在北半球寒带森林中展示出点缀白色鳞片的鲜红色菌盖。尽管外观如童话般，它含有包括蝇蕈醇和鹅膏氨酸在内的强效致幻化合物，具有中度毒性。它与桦树、松树和云杉形成关键的菌根共生关系，交换矿物质营养和碳，在寒带森林养分循环中发挥不可或缺的作用。