vs Oso Polar

Chitinophaga sancti compared with Ursus maritimus

Key Differences

is Not Evaluated while Oso Polar is Vulnerable.

Taxonomic Classification

Rank		Oso Polar
Kingdom	Bacteria (Bacteria)	Animalia (Animals)
Phylum	Bacteroidota (Bacteroidota)	Chordata (cordados)
Class	Bacteroidia (Bacteroidia)	Mammalia (mamíferos)
Order	Chitinophagales (Chitinophagales)	Carnivora (carnívoros)
Family	Chitinophagaceae	Ursidae (Bears)
Genus	Chitinophaga	Ursus (Bears)
Species	Chitinophaga sancti	Ursus maritimus

Conservation Status

NE — Not Evaluated

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute		Oso Polar
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan.

Oso Polar

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.

Chitinophaga sancti is a soil-dwelling bacterium within the genus Chitinophaga, family Chitinophagaceae, phylum Bacteroidota. The genus Chitinophaga encompasses a diverse group of Gram-negative, aerobic, rod-shaped to filamentous bacteria with a defining metabolic hallmark: the ability to degrade chitin using secreted chitinase enzymes. Chitin is a ubiquitous biopolymer in terrestrial and aquatic ecosystems, forming the structural component of fungal cell walls, nematode egg shells, and insect and crustacean exoskeletons. By mineralising chitin, Chitinophaga species play an indispensable role in releasing bound nitrogen and carbon back into bioavailable forms in the soil. C. sancti, like other members of this genus, exhibits gliding motility — a form of movement across solid surfaces without flagella — and typically forms flat, spreading colonies with a characteristic pigmentation on laboratory culture media. Its name may reference a type locality or the specific source environment from which it was described. As a prokaryote, this species is not evaluated under IUCN criteria, which apply to eukaryotic organisms of conservation concern. Nevertheless, soil bacterial diversity including species like C. sancti represents a vital but often overlooked dimension of biodiversity, underpinning ecosystem services upon which agriculture and natural ecosystems depend.

Oso Polar

El mayor carnivoro terrestre de la Tierra, el oso polar puede superar los 700 kg y se encuentra en el hielo marino del Artico, desde Canada hasta Rusia. Es un mamifero marino altamente especializado que depende del hielo marino para cazar focas anilladas y barbadas. Excelente nadador capaz de cubrir grandes distancias en agua abierta. Clasificado como Vulnerable, sus poblaciones soportan una presion severa por la rapida perdida de hielo marino artico debida al cambio climatico.