Cerro San Felipe Pigmy Salamander vs koala

Thorius narisovalis compared with Phascolarctos cinereus

Key Differences

• Cerro San Felipe Pigmy Salamander is Endangered while koala is Vulnerable.

Taxonomic Classification

Rank	Cerro San Felipe Pigmy Salamander	koala
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amfibia)	Mammalia (mamalia)
Order	Caudata (Salamander)	Diprotodontia (Marsupials)
Family	Plethodontidae	Phascolarctidae (Koalas)
Genus	Thorius	Phascolarctos (Koalas)
Species	Thorius narisovalis	Phascolarctos cinereus

Evolutionary Relationship

Cerro San Felipe Pigmy Salamander and koala share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Cerro San Felipe Pigmy Salamander

EN — Endangered

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Cerro San Felipe Pigmy Salamander	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Cerro San Felipe Pigmy Salamander

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

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

koala

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

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

Cerro San Felipe Pigmy Salamander

The Cerro San Felipe Pigmy Salamander (Thorius narisovalis) is a species in the genus Thorius. It is currently classified as Endangered on the IUCN Red List. Found in Mexico. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

koala

Iconic marsupial of eastern and southeastern Australia, koalas weigh up to 15 kg and spend up to 22 hours daily sleeping to conserve energy from their low-calorie eucalyptus leaf diet. Highly specialized to process toxic eucalyptus compounds that would kill most other mammals, they have gut microbiomes uniquely adapted for detoxification. Listed as Endangered in 2022, with populations decimated by chlamydia disease, habitat clearing, and climate change.