Dusky Dolphin vs Fen Roller

Lagenorhynchus obscurus compared with Ancylis paludana

Key Differences

• Dusky Dolphin is Least Concern while Fen Roller is Near Threatened.

Taxonomic Classification

Rank	Dusky Dolphin	Fen Roller
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Cetacea (Whales & Dolphins)	Lepidoptera (Butterflies & Moths)
Family	Delphinidae (Oceanic Dolphins)	Tortricidae
Genus	Lagenorhynchus	Ancylis
Species	Lagenorhynchus obscurus	Ancylis paludana

Evolutionary Relationship

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

Conservation Status

Dusky Dolphin

LC — Least Concern

Fen Roller

NT — Near Threatened

Physical Characteristics

Attribute	Dusky Dolphin	Fen Roller
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.