koala vs cacatua-de-crista-amarela

Phascolarctos cinereus compared with Cacatua sulphurea

Key Differences

• koala is Vulnerable while cacatua-de-crista-amarela is Critically Endangered.

Taxonomic Classification

Rank	koala	cacatua-de-crista-amarela
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Aves (ave)
Order	Diprotodontia (Marsupials)	Psittaciformes (Parrots)
Family	Phascolarctidae (Koalas)	Psittacidae (True Parrots)
Genus	Phascolarctos (Koalas)	Cacatua
Species	Phascolarctos cinereus	Cacatua sulphurea

Evolutionary Relationship

koala and cacatua-de-crista-amarela share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

cacatua-de-crista-amarela

CR — Critically Endangered

Physical Characteristics

Attribute	koala	cacatua-de-crista-amarela
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.

cacatua-de-crista-amarela

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate coniferous forests, and temperate broadleaf and mixed forests, among 7 distinct biome types spanning the Indomalayan and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across China, Norway, and Singapore. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

koala

Icônico marsupial do leste e sudeste da Austrália, os coalas pesam até 15 kg e passam até 22 horas diárias dormindo para conservar energia de sua dieta de folhas de eucalipto, com baixo teor calórico. Altamente especializados para processar os compostos tóxicos do eucalipto que matariam a maioria dos outros mamíferos, possuem microbiomas intestinais unicamente adaptados para a destoxificação. Classificado como Em Perigo em 2022, com populações dizimadas pela doença de clamídia, desmatamento e mudanças climáticas.