Floating Fern vs Gray/Purple Heron

Salvinia natans compared with Ardea cinerea

Key Differences

• Floating Fern is Not Evaluated while Gray/Purple Heron is Least Concern.

Taxonomic Classification

Rank	Floating Fern	Gray/Purple Heron
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Aves (Birds)
Order	Salviniales (Salviniales)	Pelecaniformes (Pelecaniformes)
Family	Salviniaceae	Ardeidae
Genus	Salvinia	Ardea
Species	Salvinia natans	Ardea cinerea

Conservation Status

Floating Fern

NE — Not Evaluated

Gray/Purple Heron

LC — Least Concern

Trend: Stable →

Physical Characteristics

Attribute	Floating Fern	Gray/Purple Heron
Diet	—	Carnivore
Average Lifespan	—	15 years
Average Length	—	95 cm
Average Weight	—	1.5 kg

Habitat & Geographic Range

Floating Fern

Habitat

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

Range

Widely distributed across Asia (4 countries), Europe (9 countries), North America (Honduras), and Oceania and the Pacific (Australia).

Gray/Purple Heron

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Found across Europe (6 countries).

Gray/Purple Heron

A large, elegant wading bird reaching up to 1 meter in height, gray herons inhabit wetlands, rivers, lakes, and coastal areas across Europe, Asia, and Africa. Patient, solitary hunters, they stand motionless for long periods before striking fish, frogs, and small mammals with lightning-fast dagger bill strikes. They nest colonially in tall trees in rookeries called heronries, sometimes shared with other colonial waterbirds. Widely distributed and of Least Concern globally.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden