koala vs

Phascolarctos cinereus compared with Ustilago filiformis

Key Differences

koala is Vulnerable while is Not Evaluated.

Taxonomic Classification

Rank	koala
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Ustilaginomycetes (Ustilaginomycetes)
Order	Diprotodontia (Marsupials)	Ustilaginales (Ustilaginales)
Family	Phascolarctidae (Koalas)	Ustilaginaceae
Genus	Phascolarctos (Koalas)	Ustilago
Species	Phascolarctos cinereus	Ustilago filiformis

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

NE — Not Evaluated

Physical Characteristics

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

Habitat & Geographic Range

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.

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Sweden, and United States.

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.

Ustilago filiformis is a smut fungus in the family Ustilaginaceae, an obligate biotroph that infects reed grasses (Glyceria species) and transforms their floral parts into masses of dark teliospores. It manipulates host plant development to create galls in place of normal ovaries, which then disperse the fungal spores. Smut infections by Ustilago species can significantly reduce seed production of their grass hosts.