Alpine Thread-Leaved Pondweed vs Weißkopf-Seeadler

Stuckenia filiformis compared with Haliaeetus leucocephalus

Key Differences

• Alpine Thread-Leaved Pondweed is Least Concern while Weißkopf-Seeadler is Not Evaluated.

Taxonomic Classification

Rank	Alpine Thread-Leaved Pondweed	Weißkopf-Seeadler
Kingdom	Plantae (Pflanzen)	Animalia (Tier)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordatiere)
Class	Liliopsida (Monocots)	Aves (Vögel)
Order	Alismatales (Froschlöffelartige)	Accipitriformes (Greifvögel)
Family	Potamogetonaceae	Accipitridae (Hawks & Eagles)
Genus	Stuckenia	Haliaeetus (Sea Eagles)
Species	Stuckenia filiformis	Haliaeetus leucocephalus

Conservation Status

Alpine Thread-Leaved Pondweed

LC — Least Concern

Weißkopf-Seeadler

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Physical Characteristics

Attribute	Alpine Thread-Leaved Pondweed	Weißkopf-Seeadler
Diet	—	Carnivore
Average Lifespan	—	28 years
Average Length	—	90 cm
Average Weight	—	5.0 kg

Habitat & Geographic Range

Alpine Thread-Leaved Pondweed

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Widely distributed across Europe (4 countries), North America (Canada, United States), and South America (Brazil).

Weißkopf-Seeadler

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 Thread-Leaved Pondweed

The Alpine Thread-Leaved Pondweed (Stuckenia filiformis) is a species in the genus Stuckenia. It is currently classified as Least Concern on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes. Widely distributed across Europe (4 countries), North America (Canada, United States), and South America (Brazil).

Weißkopf-Seeadler

The national bird of the United States and a symbol of American conservation success, bald eagles have a wingspan of up to 2.4 meters and inhabit forests and wetlands near open water across North America. Powerful aerial predators and scavengers, they specialize in fish but also take waterfowl and carrion. Nearly extinct by the 1960s due to DDT poisoning and hunting, the bald eagle recovered dramatically following pesticide bans and the Endangered Species Act.

Shared Countries

Both species can be found in 4 countries:

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