Alpine Bladder-fern vs Bermuda Saw-whet Owl

Cystopteris alpina compared with Aegolius gradyi

Key Differences

• Alpine Bladder-fern is Near Threatened while Bermuda Saw-whet Owl is Extinct.

Taxonomic Classification

Rank	Alpine Bladder-fern	Bermuda Saw-whet Owl
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Aves (Birds)
Order	Polypodiales (Polypodiales)	Strigiformes (Owls)
Family	Cystopteridaceae	Strigidae (True Owls)
Genus	Cystopteris	Aegolius
Species	Cystopteris alpina	Aegolius gradyi

Conservation Status

Alpine Bladder-fern

NT — Near Threatened

Bermuda Saw-whet Owl

EX — Extinct

Physical Characteristics

Attribute	Alpine Bladder-fern	Bermuda Saw-whet Owl
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alpine Bladder-fern

Habitat

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

Range

Distributed across Norway and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Bermuda Saw-whet Owl

Habitat

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

Range

Found in Norway.

Alpine Bladder-fern

The Alpine Bladder-fern (Cystopteris alpina) is a species in the genus Cystopteris. It is currently classified as Near Threatened on the IUCN Red List. Typically found in moist, shaded forest floors and tropical canopies. Distributed across Norway and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Bermuda Saw-whet Owl

The Bermuda Saw-whet Owl (Aegolius gradyi) is a species in the genus Aegolius. It is currently classified as Extinct 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