Brittle Bladderfern vs 棕腹鴨

Cystopteris tenuis compared with Anas chlorotis

Key Differences

• Brittle Bladderfern is Not Evaluated while 棕腹鴨 is Near Threatened.

Taxonomic Classification

Rank	Brittle Bladderfern	棕腹鴨
Kingdom	Plantae (植物)	Animalia (动物界)
Phylum	Tracheophyta	Chordata (脊索动物门)
Class	Polypodiopsida (水龍骨綱)	Aves (鳥綱)
Order	Polypodiales (水龙骨目)	Anseriformes (雁形目)
Family	Cystopteridaceae	Anatidae
Genus	Cystopteris	Anas
Species	Cystopteris tenuis	Anas chlorotis

Conservation Status

Brittle Bladderfern

NE — Not Evaluated

棕腹鴨

NT — Near Threatened

Physical Characteristics

Attribute	Brittle Bladderfern	棕腹鴨
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.

棕腹鴨

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.

棕腹鴨

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