Le Tétrix forestier vs ours blanc

Tetrix undulata compared with Ursus maritimus

Key Differences

• Le Tétrix forestier is Least Concern while ours blanc is Vulnerable.

Taxonomic Classification

Rank	Le Tétrix forestier	ours blanc
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum	Arthropoda (arthropodes)	Chordata (Chordates)
Class	Insecta (insecte)	Mammalia (mammifères)
Order	Orthoptera (Orthoptera)	Carnivora (carnivores)
Family	Tetrigidae	Ursidae (Bears)
Genus	Tetrix	Ursus (Bears)
Species	Tetrix undulata	Ursus maritimus

Evolutionary Relationship

Le Tétrix forestier and ours blanc share a common ancestor at the Kingdom level: Animalia. (animal)

Conservation Status

Le Tétrix forestier

LC — Least Concern

ours blanc

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Le Tétrix forestier	ours blanc
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Le Tétrix forestier

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden.

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.

Le Tétrix forestier

The common groundhopper, <em>Tetrix undulata</em>, is a small insect belonging to the order Orthoptera, family Tetrigidae. This species has an exceptionally broad ecological tolerance and is typically found across virtually all terrestrial and freshwater habitat types within its range. Its distribution spans Belgium, Denmark, Luxembourg, Norway, and Sweden, reflecting a wide presence across northern and western Europe. Unlike most grasshoppers, groundhoppers typically lack fully developed hind wings in some individuals and are often found on bare ground, mossy substrates, and near water margins. <em>Tetrix undulata</em> is assessed as Least Concern on the IUCN Red List, indicating stable populations across its European range. No dietary information has been provided for this species. Biological traits of this species remain poorly documented in the scientific literature.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway