a mammal flea vs koala

Palaeopsylla soricis compared with Phascolarctos cinereus

Key Differences

• a mammal flea is Not Evaluated while koala is Vulnerable.

Taxonomic Classification

Rank	a mammal flea	koala
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum	Arthropoda (مفصليات الأرجل)	Chordata (حبليات)
Class	Insecta (حشرات)	Mammalia (ثدييات)
Order	Siphonaptera (برغوثيات)	Diprotodontia (ثنائيات الأسنان الأمامية)
Family	Ctenophthalmidae	Phascolarctidae (Koalas)
Genus	Palaeopsylla	Phascolarctos (Koalas)
Species	Palaeopsylla soricis	Phascolarctos cinereus

Evolutionary Relationship

a mammal flea and koala share a common ancestor at the Kingdom level: Animalia. (حيوانات)

Conservation Status

a mammal flea

NE — Not Evaluated

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

a mammal flea

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark 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.

a mammal flea

The A mammal flea (Palaeopsylla soricis) is a species in the genus Palaeopsylla. Typically found in virtually all terrestrial and freshwater habitats.

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.