koala vs Rio Negro Frog

Phascolarctos cinereus compared with Atelognathus nitoi

Taxonomic Classification

Rank	koala	Rio Negro Frog
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class	Mammalia (ثدييات)	Amphibia (برمائيات)
Order	Diprotodontia (ثنائيات الأسنان الأمامية)	Anura (ضفدع)
Family	Phascolarctidae (Koalas)	Batrachylidae
Genus	Phascolarctos (Koalas)	Atelognathus
Species	Phascolarctos cinereus	Atelognathus nitoi

Evolutionary Relationship

koala and Rio Negro Frog share a common ancestor at the Phylum level: Chordata. (حبليات)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Rio Negro Frog

VU — Vulnerable

Physical Characteristics

Attribute	koala	Rio Negro Frog
Diet	Herbivore	—
Average Lifespan	15 years	—
Average Length	75 cm	—
Average Weight	10.0 kg	—

Habitat & Geographic 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.

Rio Negro Frog

Habitat

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.