Common Haircap vs koala

Polytrichum commune compared with Phascolarctos cinereus

Key Differences

• Common Haircap is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	Common Haircap	koala
Kingdom	Plantae (植物)	Animalia (动物界)
Phylum	Bryophyta	Chordata (脊索动物门)
Class	Polytrichopsida (金发藓纲)	Mammalia (哺乳動物)
Order	Polytrichales (金发藓目)	Diprotodontia (雙門齒目)
Family	Polytrichaceae	Phascolarctidae (Koalas)
Genus	Polytrichum	Phascolarctos (Koalas)
Species	Polytrichum commune	Phascolarctos cinereus

Conservation Status

Common Haircap

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Common Haircap

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), North America (United States), and South America (Brazil, Colombia).

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.

Common Haircap

The common haircap, <em>Polytrichum commune</em>, is a moss belonging to the family Polytrichaceae, one of the largest and most structurally complex families within the division Bryophyta. This species is widely distributed across Asia, Europe, North America, and South America, making it one of the most cosmopolitan mosses in the world. <em>Polytrichum commune</em> is typically found in moist to wet habitats including bogs, fens, wet heathlands, and the margins of streams and woodland ponds. It is characterized by its tall, upright gametophytes, which can reach several centimeters in height, and its distinctive star-shaped arrangement of leaves when dry. The species is assessed as Least Concern on the IUCN Red List. No dietary information has been provided for this species. Biological traits of this species remain poorly documented in the scientific literature.

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。