Brown Widow vs koala

Latrodectus geometricus compared with Phascolarctos cinereus

Key Differences

Brown Widow is Not Evaluated while koala is Vulnerable.

Taxonomic Classification

Rank	Brown Widow	koala
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum	Arthropoda (членистоногие)	Chordata (хордовые)
Class	Arachnida (паукообразные)	Mammalia (млекопитающие)
Order	Araneae (пауки)	Diprotodontia (двурезцовые сумчатые)
Family	Theridiidae	Phascolarctidae (Koalas)
Genus	Latrodectus	Phascolarctos (Koalas)
Species	Latrodectus geometricus	Phascolarctos cinereus

Evolutionary Relationship

Brown Widow and koala share a common ancestor at the Kingdom level: Animalia. (животные)

Просмотреть Kingdom: Animalia

Conservation Status

Brown Widow

NE — Not Evaluated

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Brown Widow

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Widely distributed across Africa (South Africa), Asia (Japan), Europe (7 countries), North America (United States), and South America (Colombia, Ecuador, Peru).

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 Widow

The Brown Widow (Latrodectus geometricus) is a species in the genus Latrodectus. Typically found in terrestrial habitats from forests to deserts. Its geographic range includes widely distributed across africa (south africa), asia (japan), europe (7 countries), north america (united states), and south america (colombia, ecuador, peru).

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.