limestone fern vs Pacific white-sided dolphin

Gymnocarpium robertianum compared with Lagenorhynchus obliquidens

Key Differences

limestone fern is Critically Endangered while Pacific white-sided dolphin is Least Concern.

Taxonomic Classification

Rank	limestone fern	Pacific white-sided dolphin
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Cetacea (Whales & Dolphins)
Family	Cystopteridaceae	Delphinidae (Oceanic Dolphins)
Genus	Gymnocarpium	Lagenorhynchus
Species	Gymnocarpium robertianum	Lagenorhynchus obliquidens

Conservation Status

limestone fern

CR — Critically Endangered

Pacific white-sided dolphin

LC — Least Concern

Physical Characteristics

Attribute	limestone fern	Pacific white-sided dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.