koala vs Scarlet Ibis

Phascolarctos cinereus compared with Eudocimus ruber

Key Differences

koala is Vulnerable while Scarlet Ibis is Least Concern.

Taxonomic Classification

Rank	koala	Scarlet Ibis
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Aves (นก)
Order	Diprotodontia (Marsupials)	Pelecaniformes (อันดับนกกระทุง)
Family	Phascolarctidae (Koalas)	Threskiornithidae
Genus	Phascolarctos (Koalas)	Eudocimus
Species	Phascolarctos cinereus	Eudocimus ruber

Evolutionary Relationship

koala and Scarlet Ibis share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

ดู: Phylum: Chordata

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Scarlet Ibis

LC — Least Concern

Physical Characteristics

Attribute	koala	Scarlet Ibis
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.

Scarlet Ibis

Habitat

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

Range

Widely distributed across Asia (United Arab Emirates), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

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.

Scarlet Ibis

Scarlet Ibis (Eudocimus ruber) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.