Bladder Fern vs Crested Myna

Cystopteris fragilis compared with Acridotheres cristatellus

Key Differences

• Bladder Fern is Not Evaluated while Crested Myna is Least Concern.

Taxonomic Classification

Rank	Bladder Fern	Crested Myna
Kingdom	Plantae (bitki)	Animalia (hayvan)
Phylum	Tracheophyta	Chordata (Kordalılar)
Class	Polypodiopsida (Polypodiopsida)	Aves (kuş)
Order	Polypodiales (Polypodiales)	Passeriformes (Ötücü kuşlar)
Family	Cystopteridaceae	Sturnidae
Genus	Cystopteris	Acridotheres
Species	Cystopteris fragilis	Acridotheres cristatellus

Conservation Status

Bladder Fern

NE — Not Evaluated

Crested Myna

LC — Least Concern

Physical Characteristics

Attribute	Bladder Fern	Crested Myna
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).

Crested Myna

Habitat

Inhabits tropical and subtropical dry broadleaf forests and tropical and subtropical grasslands and savannas within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Japan, Singapore, United Arab Emirates), Europe (7 countries), and South America (Argentina, Bolivia).

Bladder Fern

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

Crested Myna

Crested Myna (Acridotheres cristatellus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇴 Norway