Adder'S Tongue vs Komodo Dragon

Ophioglossum vulgatum compared with Varanus komodoensis

Key Differences

Adder'S Tongue is Vulnerable while Komodo Dragon is Endangered.

Taxonomic Classification

Rank	Adder'S Tongue	Komodo Dragon
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Reptilia (Reptiles)
Order	Ophioglossales (Ophioglossales)	Squamata (Lizards & Snakes)
Family	Ophioglossaceae	Varanidae (Monitor Lizards)
Genus	Ophioglossum	Varanus (Monitor Lizards)
Species	Ophioglossum vulgatum	Varanus komodoensis

Conservation Status

Adder'S Tongue

VU — Vulnerable

Komodo Dragon

EN — Endangered

Population: ~3.5K

Trend: Stable →

Physical Characteristics

Attribute	Adder'S Tongue	Komodo Dragon
Diet	—	Carnivore
Average Lifespan	—	30 years
Average Length	—	2.6 m
Average Weight	—	70.0 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.

Komodo Dragon

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Indonesia. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.