Iberian ribbed newt vs koala

Pleurodeles waltl compared with Phascolarctos cinereus

Key Differences

• Iberian ribbed newt is Near Threatened while koala is Vulnerable.

Taxonomic Classification

Rank	Iberian ribbed newt	koala
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class	Amphibia (برمائيات)	Mammalia (ثدييات)
Order	Caudata (سلمندر)	Diprotodontia (ثنائيات الأسنان الأمامية)
Family	Salamandridae	Phascolarctidae (Koalas)
Genus	Pleurodeles	Phascolarctos (Koalas)
Species	Pleurodeles waltl	Phascolarctos cinereus

Evolutionary Relationship

Iberian ribbed newt and koala share a common ancestor at the Phylum level: Chordata. (حبليات)

Conservation Status

Iberian ribbed newt

NT — Near Threatened

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Iberian ribbed newt	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Iberian ribbed newt

Habitat

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

Range

Distributed across Belgium and Spain. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

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.