Blunt-headed Salamander vs Cosmopolitan Springtail

Ambystoma amblycephalum compared with Entomobrya nivalis

Key Differences

• Blunt-headed Salamander is Critically Endangered while Cosmopolitan Springtail is Not Evaluated.

Taxonomic Classification

Rank	Blunt-headed Salamander	Cosmopolitan Springtail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Amphibia (Amphibians)	Collembola (springtail)
Order	Caudata (Caudata)	Entomobryomorpha (Entomobryomorpha)
Family	Ambystomatidae	Entomobryidae
Genus	Ambystoma	Entomobrya
Species	Ambystoma amblycephalum	Entomobrya nivalis

Evolutionary Relationship

Blunt-headed Salamander and Cosmopolitan Springtail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Blunt-headed Salamander

CR — Critically Endangered

Cosmopolitan Springtail

NE — Not Evaluated

Physical Characteristics

Attribute	Blunt-headed Salamander	Cosmopolitan Springtail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blunt-headed Salamander

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.

Cosmopolitan Springtail

Habitat

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

Range

Widely distributed across Africa (South Africa), Europe (4 countries), and North America (United States).

Blunt-headed Salamander

The Blunt-headed Salamander (Ambystoma amblycephalum) 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