Fen Roller vs Komodo Dragon

Ancylis paludana compared with Varanus komodoensis

Key Differences

Fen Roller is Near Threatened while Komodo Dragon is Endangered.

Taxonomic Classification

Rank	Fen Roller	Komodo Dragon
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Reptilia (Reptiles)
Order	Lepidoptera (Butterflies & Moths)	Squamata (Lizards & Snakes)
Family	Tortricidae	Varanidae (Monitor Lizards)
Genus	Ancylis	Varanus (Monitor Lizards)
Species	Ancylis paludana	Varanus komodoensis

Evolutionary Relationship

Fen Roller and Komodo Dragon share a common ancestor at the Kingdom level: Animalia. (Animals)

View Kingdom: Animalia

Conservation Status

Fen Roller

NT — Near Threatened

Komodo Dragon

EN — Endangered

Population: ~3.5K

Trend: Stable →

Physical Characteristics

Attribute	Fen Roller	Komodo Dragon
Diet	—	Carnivore
Average Lifespan	—	30 years
Average Length	—	2.6 m
Average Weight	—	70.0 kg

Habitat & Geographic Range

Fen Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.