isoète de Nuttall vs ours blanc

Isoetes nuttallii compared with Ursus maritimus

Key Differences

• isoète de Nuttall is Least Concern while ours blanc is Vulnerable.

Taxonomic Classification

Rank	isoète de Nuttall	ours blanc
Kingdom	Plantae (plante)	Animalia (animal)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Lycopodiopsida (Lycopodiopsida)	Mammalia (mammifères)
Order	Isoetales (Isoetales)	Carnivora (carnivores)
Family	Isoetaceae	Ursidae (Bears)
Genus	Isoetes	Ursus (Bears)
Species	Isoetes nuttallii	Ursus maritimus

Conservation Status

isoète de Nuttall

LC — Least Concern

ours blanc

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	isoète de Nuttall	ours blanc
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

isoète de Nuttall

Habitat

Native to North America, inhabiting ecosystems characteristic of the region.

Range

Found in Canada.

ours blanc

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.

ours blanc

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.