Acorn Woodpecker vs koala

Melanerpes formicivorus compared with Phascolarctos cinereus

Key Differences

Acorn Woodpecker is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	Acorn Woodpecker	koala
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Piciformes (Piciformes)	Diprotodontia (Marsupials)
Family	Picidae	Phascolarctidae (Koalas)
Genus	Melanerpes	Phascolarctos (Koalas)
Species	Melanerpes formicivorus	Phascolarctos cinereus

Evolutionary Relationship

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

View Phylum: Chordata

Conservation Status

Acorn Woodpecker

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Acorn Woodpecker	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Acorn Woodpecker

Habitat

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

Range

Distributed across Colombia 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.

Acorn Woodpecker

Acorn Woodpecker (Melanerpes formicivorus) 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.