Brittle Bladderfern vs Brown Fulvetta

Cystopteris tenuis compared with Alcippe brunneicauda

Key Differences

• Brittle Bladderfern is Not Evaluated while Brown Fulvetta is Near Threatened.

Taxonomic Classification

Rank	Brittle Bladderfern	Brown Fulvetta
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Aves (Birds)
Order	Polypodiales (Polypodiales)	Passeriformes (Songbirds)
Family	Cystopteridaceae	Pellorneidae
Genus	Cystopteris	Alcippe
Species	Cystopteris tenuis	Alcippe brunneicauda

Conservation Status

Brittle Bladderfern

NE — Not Evaluated

Brown Fulvetta

NT — Near Threatened

Physical Characteristics

Attribute	Brittle Bladderfern	Brown Fulvetta
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brittle Bladderfern

Habitat

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

Range

Distributed across Canada and United States.

Brown Fulvetta

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Brittle Bladderfern

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

Brown Fulvetta

The Brown Fulvetta (Alcippe brunneicauda) is a species in the genus Alcippe. It is currently classified as Near Threatened on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.