koala vs Ibis de Sao Tomé

Phascolarctos cinereus compared with Bostrychia bocagei

Key Differences

• koala is Vulnerable while Ibis de Sao Tomé is Critically Endangered.

Taxonomic Classification

Rank	koala	Ibis de Sao Tomé
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (mammifères)	Aves (oiseau)
Order	Diprotodontia (Marsupials)	Pelecaniformes (Pelecaniformes)
Family	Phascolarctidae (Koalas)	Threskiornithidae
Genus	Phascolarctos (Koalas)	Bostrychia
Species	Phascolarctos cinereus	Bostrychia bocagei

Evolutionary Relationship

koala and Ibis de Sao Tomé share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Ibis de Sao Tomé

CR — Critically Endangered

Physical Characteristics

Attribute	koala	Ibis de Sao Tomé
Diet	Herbivore	—
Average Lifespan	15 years	—
Average Length	75 cm	—
Average Weight	10.0 kg	—

Habitat & Geographic 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.

Ibis de Sao Tomé

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway. Currently classified as Critically Endangered 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.