Aquatic Pygmyweed vs Polar bear

Crassula aquatica compared with Ursus maritimus

Taxonomic Classification

Rank	Aquatic Pygmyweed	Polar bear
Kingdom	Plantae (พืช)	Animalia (สัตว์)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (สัตว์มีแกนสันหลัง)
Class	Magnoliopsida (พืชใบเลี้ยงคู่)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Saxifragales (อันดับอัสดง)	Carnivora (สัตว์กินเนื้อ)
Family	Crassulaceae	Ursidae (Bears)
Genus	Crassula	Ursus (Bears)
Species	Crassula aquatica	Ursus maritimus

Conservation Status

Aquatic Pygmyweed

VU — Vulnerable

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Aquatic Pygmyweed	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Aquatic Pygmyweed

Habitat

Inhabits boreal forests and taiga within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (6 countries) and North America (Canada, United States). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its 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.

Aquatic Pygmyweed

The Aquatic Pygmyweed (Crassula aquatica) is a species in the genus Crassula. It is currently classified as Vulnerable on the IUCN Red List. Inhabits boreal forests and taiga within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Polar bear

The largest land carnivore on Earth, polar bears can exceed 700 kg and are found across Arctic sea ice from Canada to Russia. Highly specialized marine mammals that rely on sea ice to hunt ringed and bearded seals. Excellent swimmers capable of covering vast distances in open water. Listed as Vulnerable, with populations under severe pressure from rapid Arctic sea ice loss due to climate change.