Common Pouchwort vs gray wolf

Calypogeia fissa compared with Canis lupus

Key Differences

Common Pouchwort is Vulnerable while gray wolf is Critically Endangered.

Taxonomic Classification

Rank	Common Pouchwort	gray wolf
Kingdom	Plantae (พืช)	Animalia (สัตว์)
Phylum	Marchantiophyta (ลิเวอร์เวิร์ต)	Chordata (สัตว์มีแกนสันหลัง)
Class	Jungermanniopsida (Jungermanniopsida)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Jungermanniales (Jungermanniales)	Carnivora (สัตว์กินเนื้อ)
Family	Calypogeiaceae	Canidae (Dogs & Wolves)
Genus	Calypogeia	Canis (Dogs & Wolves)
Species	Calypogeia fissa	Canis lupus

Conservation Status

Common Pouchwort

VU — Vulnerable

gray wolf

CR — Critically Endangered

Population: ~300.0K

Trend: Stable →

Physical Characteristics

Attribute	Common Pouchwort	gray wolf
Diet	—	Carnivore
Average Lifespan	—	13 years
Average Length	—	1.6 m
Average Weight	—	45.0 kg

Habitat & Geographic Range

Common Pouchwort

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and North America (United States). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

gray wolf

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, deserts and xeric shrublands, and tropical and subtropical dry broadleaf forests, among 13 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Seychelles), Asia (Japan), Europe (5 countries), North America (7 countries), Oceania and the Pacific (Marshall Islands, Vanuatu), and South America (5 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Common Pouchwort

The Common Pouchwort, <em>Calypogeia fissa</em>, is a liverwort in the family Calypogeiaceae, a group of non-vascular plants within the division Marchantiophyta. It is a leafy liverwort characterized by its creeping, pale green to yellowish shoots bearing overlapping, asymmetric leaves arranged in two lateral rows and a row of smaller underleaves. The species is typically found growing on moist, acidic soil, rotting wood, and shaded banks in temperate forests and moorlands. Its geographic range encompasses Asia, Europe, and North America, where it occupies humid woodland habitats and montane environments with stable moisture regimes. <em>Calypogeia fissa</em> reproduces both sexually via spores and vegetatively through gemmae, which are small propagules produced in specialized cups at shoot tips. As a bryophyte, it lacks true roots, stems, and leaves in the vascular sense, absorbing water and nutrients directly through its surface. The species is assessed as Vulnerable on the IUCN Red List, reflecting concerns about habitat loss and the degradation of moist woodland environments across parts of its range. Biological traits such as average lifespan, body size, and specific dietary preferences remain poorly documented for this species.

gray wolf

The most widely distributed wild canid, gray wolves range from North America across Eurasia in diverse habitats including tundra, forests, and grasslands. Highly social animals living in family packs led by a dominant breeding pair. As keystone predators, wolves regulate prey populations and profoundly shape ecosystem structure, as demonstrated by their reintroduction in Yellowstone. Once heavily persecuted, populations are recovering in many regions.