American Toad vs koala

Anaxyrus americanus compared with Phascolarctos cinereus

Key Differences

• American Toad is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	American Toad	koala
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Mammalia (Mammals)
Order	Anura (Frogs & Toads)	Diprotodontia (Marsupials)
Family	Bufonidae	Phascolarctidae (Koalas)
Genus	Anaxyrus	Phascolarctos (Koalas)
Species	Anaxyrus americanus	Phascolarctos cinereus

Evolutionary Relationship

American Toad and koala share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

American Toad

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	American Toad	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

American Toad

Habitat

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

Range

Found in United States.

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.

American Toad

The American Toad (Anaxyrus americanus) is a species in the genus Anaxyrus. It is currently classified as Least Concern on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.

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.