Brittle Bladderfern vs gray wolf

Cystopteris tenuis compared with Canis lupus

Key Differences

• Brittle Bladderfern is Not Evaluated while gray wolf is Critically Endangered.

Taxonomic Classification

Rank	Brittle Bladderfern	gray wolf
Kingdom	Plantae (पादप)	Animalia (प्राणी)
Phylum	Tracheophyta	Chordata (रज्जुकी)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (स्तनधारी)
Order	Polypodiales (Polypodiales)	Carnivora (मांसाहारी गण)
Family	Cystopteridaceae	Canidae (Dogs & Wolves)
Genus	Cystopteris	Canis (Dogs & Wolves)
Species	Cystopteris tenuis	Canis lupus

Conservation Status

Brittle Bladderfern

NE — Not Evaluated

gray wolf

CR — Critically Endangered

Population: ~300.0K

Trend: Stable →

Physical Characteristics

Attribute	Brittle Bladderfern	gray wolf
Diet	—	Carnivore
Average Lifespan	—	13 years
Average Length	—	1.6 m
Average Weight	—	45.0 kg

Habitat & Geographic Range

Brittle Bladderfern

Habitat

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

Range

Distributed across Canada and United States.

gray wolf

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, deserts and xeric shrublands, and tropical and subtropical dry broadleaf forests, among 13 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Seychelles), Asia (Japan), Europe (5 countries), North America (7 countries), Oceania and the Pacific (Marshall Islands, Vanuatu), and South America (5 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Brittle Bladderfern

The Brittle Bladderfern (Cystopteris tenuis) is a species in the genus Cystopteris. Typically found in moist, shaded forest floors and tropical canopies.

gray wolf

The most widely distributed wild canid, gray wolves range from North America across Eurasia in diverse habitats including tundra, forests, and grasslands. Highly social animals living in family packs led by a dominant breeding pair. As keystone predators, wolves regulate prey populations and profoundly shape ecosystem structure, as demonstrated by their reintroduction in Yellowstone. Once heavily persecuted, populations are recovering in many regions.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States