Brown stingray vs koala

Neotrygon annotata compared with Phascolarctos cinereus

Key Differences

• Brown stingray is Near Threatened while koala is Vulnerable.

Taxonomic Classification

Rank	Brown stingray	koala
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class	Elasmobranchii	Mammalia (lớp Thú)
Order	Myliobatiformes (Bộ Cá đuối ó)	Diprotodontia (Thú hai răng trước)
Family	Dasyatidae	Phascolarctidae (Koalas)
Genus	Neotrygon	Phascolarctos (Koalas)
Species	Neotrygon annotata	Phascolarctos cinereus

Evolutionary Relationship

Brown stingray and koala share a common ancestor at the Phylum level: Chordata. (động vật có dây sống)

Conservation Status

Brown stingray

NT — Near Threatened

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Brown stingray	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Brown stingray

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.

Brown stingray

The Brown Stingray (Neotrygon annotata) is a species in the genus Neotrygon. It is currently classified as Near Threatened on the IUCN Red List. As a member of the genus Neotrygon, it shares characteristics with related species within this taxonomic group.

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.