Bristlelike Quillwort vs Bely Medved

Isoetes echinospora compared with Ursus maritimus

Key Differences

Bristlelike Quillwort is Critically Endangered while Bely Medved is Vulnerable.

Taxonomic Classification

Rank	Bristlelike Quillwort	Bely Medved
Kingdom	Plantae (растения)	Animalia (животные)
Phylum	Tracheophyta	Chordata (хордовые)
Class	Lycopodiopsida (Плауновые)	Mammalia (млекопитающие)
Order	Isoetales (полушниковые)	Carnivora (хищные)
Family	Isoetaceae	Ursidae (Bears)
Genus	Isoetes	Ursus (Bears)
Species	Isoetes echinospora	Ursus maritimus

Conservation Status

Bristlelike Quillwort

CR — Critically Endangered

Bely Medved

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Bristlelike Quillwort	Bely Medved
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Bristlelike Quillwort

Habitat

Inhabits temperate broadleaf and mixed forests and 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 (5 countries) and North America (United States). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Bely Medved

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.

Bristlelike Quillwort

The Bristlelike Quillwort (Isoetes echinospora) is a species in the genus Isoetes. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits temperate broadleaf and mixed forests and boreal forests and taiga within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Bely Medved

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.