False widow vs koala

Steatoda bipunctata compared with Phascolarctos cinereus

Key Differences

• False widow is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	False widow	koala
Kingdom same	Animalia (hayvan)	Animalia (hayvan)
Phylum	Arthropoda (Eklem bacaklılar)	Chordata (Kordalılar)
Class	Arachnida (Örümceğimsiler)	Mammalia (memeliler)
Order	Araneae (Örümcek)	Diprotodontia (İki ön dişliler)
Family	Theridiidae	Phascolarctidae (Koalas)
Genus	Steatoda	Phascolarctos (Koalas)
Species	Steatoda bipunctata	Phascolarctos cinereus

Evolutionary Relationship

False widow and koala share a common ancestor at the Kingdom level: Animalia. (hayvan)

Conservation Status

False widow

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	False widow	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

False widow

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Found across Europe (4 countries) and North America (Canada, United States).

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.