common greasewort vs Red-Necked Grebe

Aneura pinguis compared with Podiceps grisegena

Key Differences

• common greasewort is Least Concern while Red-Necked Grebe is Not Evaluated.

Taxonomic Classification

Rank	common greasewort	Red-Necked Grebe
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Marchantiophyta (liverwort)	Chordata (Chordates)
Class	Jungermanniopsida (Jungermanniopsida)	Aves (Birds)
Order	Metzgeriales (Metzgeriales)	Podicipediformes (Podicipediformes)
Family	Aneuraceae	Podicipedidae
Genus	Aneura	Podiceps
Species	Aneura pinguis	Podiceps grisegena

Conservation Status

common greasewort

LC — Least Concern

Red-Necked Grebe

NE — Not Evaluated

Physical Characteristics

Attribute	common greasewort	Red-Necked Grebe
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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).

Red-Necked Grebe

Habitat

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

Range

Found across Europe (5 countries) and North America (United States).

common greasewort

<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.

Red-Necked Grebe

Red-Necked Grebe (Podiceps grisegena) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States