Grisin de jais vs koala

Cercomacra nigricans compared with Phascolarctos cinereus

Key Differences

Grisin de jais is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	Grisin de jais	koala
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (oiseau)	Mammalia (mammifères)
Order	Passeriformes (passereaux)	Diprotodontia (Marsupials)
Family	Thamnophilidae	Phascolarctidae (Koalas)
Genus	Cercomacra	Phascolarctos (Koalas)
Species	Cercomacra nigricans	Phascolarctos cinereus

Evolutionary Relationship

Grisin de jais and koala share a common ancestor at the Phylum level: Chordata. (Chordates)

Afficher Phylum: Chordata

Conservation Status

Grisin de jais

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Grisin de jais	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Grisin de jais

Habitat

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

Range

Distributed across Colombia, Ecuador, 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.

Grisin de jais

Jet Antbird (Cercomacra nigricans) 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.

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.