Oso negro vs Salamandra de Anderson

Ursus americanus compared with Ambystoma andersoni

Key Differences

• Oso negro is Least Concern while Salamandra de Anderson is Critically Endangered.

Taxonomic Classification

Rank	Oso negro	Salamandra de Anderson
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Amphibia (Amphibians)
Order	Carnivora (carnívoros)	Caudata (Urodela)
Family	Ursidae (Bears)	Ambystomatidae
Genus	Ursus (Bears)	Ambystoma
Species	Ursus americanus	Ambystoma andersoni

Evolutionary Relationship

Oso negro and Salamandra de Anderson share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Oso negro

LC — Least Concern

Salamandra de Anderson

CR — Critically Endangered

Physical Characteristics

Attribute	Oso negro	Salamandra de Anderson
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Oso negro

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.

Salamandra de Anderson

Habitat

Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Mexico. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Oso negro

The American black bear (Ursus americanus) is a species in the genus Ursus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Salamandra de Anderson

The Anderson's Salamander (Ambystoma andersoni) is a species in the genus Ambystoma. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neo.