Cereal cyst nematode vs Oso Polar

Heterodera avenae compared with Ursus maritimus

Key Differences

Cereal cyst nematode is Not Evaluated while Oso Polar is Vulnerable.

Taxonomic Classification

Rank	Cereal cyst nematode	Oso Polar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Nematoda (Roundworms)	Chordata (cordados)
Class	Chromadorea (Chromadoria)	Mammalia (mamíferos)
Order	Rhabditida (Rhabditida)	Carnivora (carnívoros)
Family	Heteroderidae	Ursidae (Bears)
Genus	Heterodera	Ursus (Bears)
Species	Heterodera avenae	Ursus maritimus

Evolutionary Relationship

Cereal cyst nematode and Oso Polar share a common ancestor at the Kingdom level: Animalia. (Animals)

Vista Kingdom: Animalia

Conservation Status

Cereal cyst nematode

NE — Not Evaluated

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Cereal cyst nematode

Habitat

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

Range

Found across Europe (7 countries) and North America (United States).

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.

Cereal cyst nematode

The Cereal Cyst Nematode (Heterodera avenae) is a species in the genus Heterodera. Found across Europe (7 countries) and North America (United States).

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.