Alpine Cliff Fern vs American Bald Eagle

Woodsia alpina compared with Haliaeetus leucocephalus

Key Differences

Alpine Cliff Fern is Least Concern while American Bald Eagle is Not Evaluated.

Taxonomic Classification

Rank	Alpine Cliff Fern	American Bald Eagle
Kingdom	Plantae (식물)	Animalia (동물)
Phylum	Tracheophyta	Chordata (척삭동물)
Class	Polypodiopsida (고사리강)	Aves (새)
Order	Polypodiales (고사리목)	Accipitriformes (수리목)
Family	Woodsiaceae	Accipitridae (Hawks & Eagles)
Genus	Woodsia	Haliaeetus (Sea Eagles)
Species	Woodsia alpina	Haliaeetus leucocephalus

Conservation Status

Alpine Cliff Fern

LC — Least Concern

American Bald Eagle

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Physical Characteristics

Attribute	Alpine Cliff Fern	American Bald Eagle
Diet	—	Carnivore
Average Lifespan	—	28 years
Average Length	—	90 cm
Average Weight	—	5.0 kg

Habitat & Geographic Range

Alpine Cliff Fern

Habitat

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

Range

Distributed across Canada, Iceland, Norway, Sweden, and United States.

American Bald Eagle

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 10 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Europe (8 countries), North America (United States), and South America (Ecuador).

Alpine Cliff Fern

The Alpine Cliff Fern (Woodsia alpina) is a species in the genus Woodsia. It is currently classified as Least Concern on the IUCN Red List. Typically found in moist, shaded forest floors and tropical canopies. Distributed across Canada, Iceland, Norway, Sweden, and United States.

American Bald Eagle

흰머리독수리(Haliaeetus leucocephalus)는 미국의 국조이자 미국 자연 보전 성공의 상징으로, 날개 폭이 최대 2.4미터에 달하며 북미 전역의 수변 삼림과 습지에 서식한다. 주로 물고기를 포식하는 강력한 공중 포식자이자 청소 동물로, DDT 오염과 남획으로 1960년대에 멸종 위기에 처했으나 농약 사용 금지와 멸종위기종보호법 시행 이후 극적으로 개체수가 회복되었다.