limestone fern vs Oustalet's Red Colobus

Gymnocarpium robertianum compared with Piliocolobus oustaleti

Key Differences

• limestone fern is Critically Endangered while Oustalet's Red Colobus is Vulnerable.

Taxonomic Classification

Rank	limestone fern	Oustalet's Red Colobus
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Primates (Primates)
Family	Cystopteridaceae	Cercopithecidae (Old World Monkeys)
Genus	Gymnocarpium	Piliocolobus
Species	Gymnocarpium robertianum	Piliocolobus oustaleti

Conservation Status

limestone fern

CR — Critically Endangered

Oustalet's Red Colobus

VU — Vulnerable

Physical Characteristics

Attribute	limestone fern	Oustalet's Red Colobus
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.

Oustalet's Red Colobus

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.