limestone fern vs Yellow-billed Pintail

Gymnocarpium robertianum compared with Anas georgica

Key Differences

• limestone fern is Critically Endangered while Yellow-billed Pintail is Endangered.

Taxonomic Classification

Rank	limestone fern	Yellow-billed Pintail
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Aves (Birds)
Order	Polypodiales (Polypodiales)	Anseriformes (Anseriformes)
Family	Cystopteridaceae	Anatidae
Genus	Gymnocarpium	Anas
Species	Gymnocarpium robertianum	Anas georgica

Conservation Status

limestone fern

CR — Critically Endangered

Yellow-billed Pintail

EN — Endangered

Physical Characteristics

Attribute	limestone fern	Yellow-billed Pintail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

limestone fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Belgium, Canada, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Yellow-billed Pintail

Habitat

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

Range

Found across Europe (6 countries) and South America (Colombia, Ecuador). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Yellow-billed Pintail

Yellow-billed Pintail (Anas georgica) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway