Adder'S Tongue vs Gray/Purple Heron

Ophioglossum vulgatum compared with Ardea cinerea

Key Differences

Adder'S Tongue is Vulnerable while Gray/Purple Heron is Least Concern.

Taxonomic Classification

Rank	Adder'S Tongue	Gray/Purple Heron
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Aves (Birds)
Order	Ophioglossales (Ophioglossales)	Pelecaniformes (Pelecaniformes)
Family	Ophioglossaceae	Ardeidae
Genus	Ophioglossum	Ardea
Species	Ophioglossum vulgatum	Ardea cinerea

Conservation Status

Adder'S Tongue

VU — Vulnerable

Gray/Purple Heron

LC — Least Concern

Trend: Stable →

Physical Characteristics

Attribute	Adder'S Tongue	Gray/Purple Heron
Diet	—	Carnivore
Average Lifespan	—	15 years
Average Length	—	95 cm
Average Weight	—	1.5 kg

Habitat & Geographic Range

Adder'S Tongue

Habitat

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

Range

Widely distributed across Europe (5 countries), North America (United States), and South America (Colombia). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Gray/Purple Heron

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Found across Europe (6 countries).

Adder'S Tongue

The Adder'S Tongue (Ophioglossum vulgatum) is a species in the genus Ophioglossum. It is currently classified as Vulnerable on the IUCN Red List. This species inhabits Typically found in moist, shaded forest floors and tropical canopies, found across Belgium, Colombia, Denmark, Norway, and Portugal.

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.