Bleeker's butterfly ray vs koala

Gymnura zonura compared with Phascolarctos cinereus

Key Differences

• Bleeker's butterfly ray is Endangered while koala is Vulnerable.

Taxonomic Classification

Rank	Bleeker's butterfly ray	koala
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class	Elasmobranchii	Mammalia (млекопитающие)
Order	Myliobatiformes (хвостоколообразные)	Diprotodontia (двурезцовые сумчатые)
Family	Gymnuridae	Phascolarctidae (Koalas)
Genus	Gymnura	Phascolarctos (Koalas)
Species	Gymnura zonura	Phascolarctos cinereus

Evolutionary Relationship

Bleeker's butterfly ray and koala share a common ancestor at the Phylum level: Chordata. (хордовые)

Conservation Status

Bleeker's butterfly ray

EN — Endangered

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Bleeker's butterfly ray	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Bleeker's butterfly ray

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. 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.

Bleeker's butterfly ray

The Bleeker's butterfly ray (Gymnura zonura) is a species in the genus Gymnura. It is currently classified as Endangered on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.

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.