Sarcelle rousse vs koala

Anas castanea compared with Phascolarctos cinereus

Key Differences

• Sarcelle rousse is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	Sarcelle rousse	koala
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (oiseau)	Mammalia (mammifères)
Order	Anseriformes (Anseriformes)	Diprotodontia (Marsupials)
Family	Anatidae	Phascolarctidae (Koalas)
Genus	Anas	Phascolarctos (Koalas)
Species	Anas castanea	Phascolarctos cinereus

Evolutionary Relationship

Sarcelle rousse and koala share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Sarcelle rousse

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Sarcelle rousse	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Sarcelle rousse

Habitat

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

Range

Found across Europe (8 countries).

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.

Sarcelle rousse

Chestnut Teal (Anas castanea) 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.

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.