a mammal flea vs koala

Palaeopsylla kohauti 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 (动物界)	Animalia (动物界)
Phylum	Arthropoda (节肢动物门)	Chordata (脊索动物门)
Class	Insecta (昆蟲綱)	Mammalia (哺乳動物)
Order	Siphonaptera (蚤目)	Diprotodontia (雙門齒目)
Family	Ctenophthalmidae	Phascolarctidae (Koalas)
Genus	Palaeopsylla	Phascolarctos (Koalas)
Species	Palaeopsylla kohauti	Phascolarctos cinereus

Evolutionary Relationship

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

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, Norway, and Sweden.

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 kohauti) is a species in the genus Palaeopsylla. Typically found in virtually all terrestrial and freshwater habitats.

koala

澳大利亚东部和东南部的标志性有袋类动物，体重最大可达15千克，为了节省低热量桉树叶食物所提供的能量，每天最多睡眠22小时。高度特化，能够处理会致大多数其他哺乳动物死亡的有毒桉树成分，拥有专门适应解毒功能的肠道微生物群。因衣原体病、栖息地开发和气候变化导致种群锐减，2022年被列为濒危物种。