Madeira-Wellenläufer vs Eisbär

Oceanodroma castro compared with Ursus maritimus

Key Differences

• Madeira-Wellenläufer is Least Concern while Eisbär is Vulnerable.

Taxonomic Classification

Rank	Madeira-Wellenläufer	Eisbär
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class	Aves (Vögel)	Mammalia (Säugetiere)
Order	Procellariiformes (Röhrennasen)	Carnivora (Raubtiere)
Family	Hydrobatidae	Ursidae (Bears)
Genus	Oceanodroma	Ursus (Bears)
Species	Oceanodroma castro	Ursus maritimus

Evolutionary Relationship

Madeira-Wellenläufer and Eisbär share a common ancestor at the Phylum level: Chordata. (Chordatiere)

Conservation Status

Madeira-Wellenläufer

LC — Least Concern

Eisbär

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Madeira-Wellenläufer	Eisbär
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Madeira-Wellenläufer

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, Portugal, and United States.

Eisbär

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.

Madeira-Wellenläufer

Band-rumped Storm-Petrel (Oceanodroma castro) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Eisbär

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.