Bladder Fern vs Brown Thornbill

Cystopteris fragilis compared with Acanthiza pusilla

Key Differences

• Bladder Fern is Not Evaluated while Brown Thornbill is Least Concern.

Taxonomic Classification

Rank	Bladder Fern	Brown Thornbill
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Aves (Birds)
Order	Polypodiales (Polypodiales)	Passeriformes (Songbirds)
Family	Cystopteridaceae	Acanthizidae
Genus	Cystopteris	Acanthiza
Species	Cystopteris fragilis	Acanthiza pusilla

Conservation Status

Bladder Fern

NE — Not Evaluated

Brown Thornbill

LC — Least Concern

Physical Characteristics

Attribute	Bladder Fern	Brown Thornbill
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bladder Fern

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), North America (Canada, United States), and South America (Colombia).

Brown Thornbill

Habitat

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

Range

Found in Norway.

Bladder Fern

The Bladder Fern (Cystopteris fragilis) is a species in the genus Cystopteris. Typically found in moist, shaded forest floors and tropical canopies.

Brown Thornbill

The Brown Thornbill (Acanthiza pusilla) is a species in the genus Acanthiza. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway