koala vs Small Big-eared Brown Bat

Phascolarctos cinereus compared with Histiotus montanus

Key Differences

• koala is Vulnerable while Small Big-eared Brown Bat is Least Concern.

Taxonomic Classification

Rank	koala	Small Big-eared Brown Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order	Diprotodontia (Marsupials)	Chiroptera (morcego)
Family	Phascolarctidae (Koalas)	Vespertilionidae
Genus	Phascolarctos (Koalas)	Histiotus
Species	Phascolarctos cinereus	Histiotus montanus

Evolutionary Relationship

koala and Small Big-eared Brown Bat share a common ancestor at the Class level: Mammalia. (mamíferos)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Small Big-eared Brown Bat

LC — Least Concern

Physical Characteristics

Attribute	koala	Small Big-eared Brown Bat
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.

Small Big-eared Brown Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

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.