Dusky Dolphin vs limestone fern

Lagenorhynchus obscurus compared with Gymnocarpium robertianum

Key Differences

• Dusky Dolphin is Least Concern while limestone fern is Critically Endangered.

Taxonomic Classification

Rank	Dusky Dolphin	limestone fern
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Mammalia (Mammals)	Polypodiopsida (Polypodiopsida)
Order	Cetacea (Whales & Dolphins)	Polypodiales (Polypodiales)
Family	Delphinidae (Oceanic Dolphins)	Cystopteridaceae
Genus	Lagenorhynchus	Gymnocarpium
Species	Lagenorhynchus obscurus	Gymnocarpium robertianum

Conservation Status

Dusky Dolphin

LC — Least Concern

limestone fern

CR — Critically Endangered

Physical Characteristics

Attribute	Dusky Dolphin	limestone fern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

limestone fern

Habitat

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

Range

Distributed across Belgium, Canada, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.