Green Anaconda vs koala

Eunectes murinus compared with Phascolarctos cinereus

Key Differences

Green Anaconda is Least Concern while koala is Vulnerable.
Green Anaconda is carnivore while koala is herbivore.
Green Anaconda is 22.7x heavier than koala.
Green Anaconda lives longer (30 years vs 15 years).

Taxonomic Classification

Rank	Green Anaconda	koala
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Reptilia (Reptiles)	Mammalia (Mammals)
Order	Squamata (Lizards & Snakes)	Diprotodontia (Marsupials)
Family	Pythonidae (Pythons)	Phascolarctidae (Koalas)
Genus	Python (Pythons)	Phascolarctos (Koalas)
Species	Eunectes murinus	Phascolarctos cinereus

Evolutionary Relationship

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

View Phylum: Chordata

Conservation Status

Green Anaconda

LC — Least Concern

Trend: Stable →

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Green Anaconda	koala
Diet	Carnivore	Herbivore
Average Lifespan	30 years	15 years
Average Length	6.0 m	75 cm
Average Weight	227.0 kg	10.0 kg

Habitat & Geographic Range

Green Anaconda

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Distributed across Brazil, Colombia, Ecuador, Peru, 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.

Green Anaconda

The green anaconda is the heaviest and one of the longest snakes in the world. They are found in South American swamps and rivers.

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.