Fawn-breasted Brilliant vs koala

Heliodoxa rubinoides compared with Phascolarctos cinereus

Key Differences

• Fawn-breasted Brilliant is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	Fawn-breasted Brilliant	koala
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class	Aves (chim)	Mammalia (lớp Thú)
Order	Apodiformes (Bộ Yến)	Diprotodontia (Thú hai răng trước)
Family	Trochilidae	Phascolarctidae (Koalas)
Genus	Heliodoxa	Phascolarctos (Koalas)
Species	Heliodoxa rubinoides	Phascolarctos cinereus

Evolutionary Relationship

Fawn-breasted Brilliant and koala share a common ancestor at the Phylum level: Chordata. (động vật có dây sống)

Conservation Status

Fawn-breasted Brilliant

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Fawn-breasted Brilliant	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Fawn-breasted Brilliant

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.

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.

Fawn-breasted Brilliant

Fawn-breasted Brilliant (Heliodoxa rubinoides) 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.