Viréon à tête cendrée vs koala

Hylophilus pectoralis compared with Phascolarctos cinereus

Key Differences

Viréon à tête cendrée is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	Viréon à tête cendrée	koala
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (oiseau)	Mammalia (mammifères)
Order	Passeriformes (passereaux)	Diprotodontia (Marsupials)
Family	Vireonidae	Phascolarctidae (Koalas)
Genus	Hylophilus	Phascolarctos (Koalas)
Species	Hylophilus pectoralis	Phascolarctos cinereus

Evolutionary Relationship

Viréon à tête cendrée and koala share a common ancestor at the Phylum level: Chordata. (Chordates)

Afficher Phylum: Chordata

Conservation Status

Viréon à tête cendrée

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Viréon à tête cendrée	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Viréon à tête cendrée

Habitat

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

Range

Distributed across Norway and Venezuela.

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.

Viréon à tête cendrée

Ashy-headed greenlet (Hylophilus pectoralis) is a species in the genus Hylophilus. It is listed as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

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.