黑雁 vs common greasewort

Branta bernicla compared with Aneura pinguis

Key Differences

黑雁 is Not Evaluated while common greasewort is Least Concern.

Taxonomic Classification

Rank	黑雁	common greasewort
Kingdom	Animalia (动物界)	Plantae (植物)
Phylum	Chordata (脊索动物门)	Marchantiophyta (地钱门)
Class	Aves (鳥綱)	Jungermanniopsida (叶苔纲)
Order	Anseriformes (雁形目)	Metzgeriales (叉苔目)
Family	Anatidae	Aneuraceae
Genus	Branta	Aneura
Species	Branta bernicla	Aneura pinguis

Conservation Status

黑雁

NE — Not Evaluated

common greasewort

LC — Least Concern

Physical Characteristics

Attribute	黑雁	common greasewort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

黑雁

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (8 countries) and North America (United States).

common greasewort

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).

黑雁

黑雁（Branta bernicla）在IUCN红色名录中被列为未评估（NE）物种。尚未依据IUCN红色名录标准进行评估，保护状态有待确定。

<em>Aneura pinguis</em>, commonly known as common greasewort, is a liverwort belonging to the genus Aneura within the family Aneuraceae. This cryptogamic plant inhabits ecosystems across Asia, Europe, and North America, thriving in moist or waterlogged environments. Its range encompasses Taiwan in Asia, six European countries, the United States in North America, and Brazil and Colombia in South America, indicating a broad geographic distribution across multiple continents. Common greasewort is assessed as Least Concern on the IUCN Red List. The species typically forms flat, ribbon-like thalli in damp habitats such as stream banks, wet rocks, and boggy ground. Biological traits of this species remain poorly documented in the scientific literature.