greater grass snail vs koala

Vallonia declivis compared with Phascolarctos cinereus

Key Differences

• greater grass snail is Near Threatened while koala is Vulnerable.

Taxonomic Classification

Rank	greater grass snail	koala
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum	Mollusca (มอลลัสกา)	Chordata (สัตว์มีแกนสันหลัง)
Class	Gastropoda (ชั้นแกสโทรโพดา)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Stylommatophora (Stylommatophora)	Diprotodontia (Marsupials)
Family	Valloniidae	Phascolarctidae (Koalas)
Genus	Vallonia	Phascolarctos (Koalas)
Species	Vallonia declivis	Phascolarctos cinereus

Evolutionary Relationship

greater grass snail and koala share a common ancestor at the Kingdom level: Animalia. (สัตว์)

Conservation Status

greater grass snail

NT — Near Threatened

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	greater grass snail	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

greater grass snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Found in France. 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.