Bladder Fern vs Brown Rat

Cystopteris fragilis compared with Rattus norvegicus

Key Differences

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

Taxonomic Classification

Rank	Bladder Fern	Brown Rat
Kingdom	Plantae (식물)	Animalia (동물)
Phylum	Tracheophyta	Chordata (척삭동물)
Class	Polypodiopsida (고사리강)	Mammalia (포유류)
Order	Polypodiales (고사리목)	Rodentia (설치류)
Family	Cystopteridaceae	Muridae (Mice & Rats)
Genus	Cystopteris	Rattus
Species	Cystopteris fragilis	Rattus norvegicus

Conservation Status

Bladder Fern

NE — Not Evaluated

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	Bladder Fern	Brown Rat
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 Rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (11 countries), Asia (15 countries), Europe (41 countries), North America (16 countries), Oceania and the Pacific (10 countries), and South America (10 countries).

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 Rat

집쥐(Rattus norvegicus)는 IUCN 적색목록에서 관심대상(LC)으로 분류됩니다. 분포 범위 전반에 걸쳐 널리 서식하며 개체 수가 안정적으로 유지되고 있어 즉각적인 보전 우려가 없습니다.

Shared Countries

Both species can be found in 10 countries:

🇧🇪 Belgium 🇨🇦 Canada 🇨🇴 Colombia 🇩🇰 Denmark 🇫🇷 France 🇮🇸 Iceland 🇳🇴 Norway 🇸🇪 Sweden 🇹🇼 Taiwan 🇺🇸 United States