Chestnut-breasted Cuckoo vs koala

Cacomantis castaneiventris compared with Phascolarctos cinereus

Key Differences

Chestnut-breasted Cuckoo is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	Chestnut-breasted Cuckoo	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	Cuculiformes (Bộ Cu cu)	Diprotodontia (Thú hai răng trước)
Family	Cuculidae	Phascolarctidae (Koalas)
Genus	Cacomantis	Phascolarctos (Koalas)
Species	Cacomantis castaneiventris	Phascolarctos cinereus

Evolutionary Relationship

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

Xem Phylum: Chordata

Conservation Status

Chestnut-breasted Cuckoo

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Chestnut-breasted Cuckoo

Habitat

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

Range

Found in 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.

Chestnut-breasted Cuckoo

The Chestnut-breasted Cuckoo (Cacomantis castaneiventris) is a species in the genus Cacomantis. It is currently classified 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.