Bermuda Saw-whet Owl vs Serotine

Aegolius gradyi compared with Eptesicus serotinus

Key Differences

• Bermuda Saw-whet Owl is Extinct while Serotine is Vulnerable.

Taxonomic Classification

Rank	Bermuda Saw-whet Owl	Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Strigiformes (Owls)	Chiroptera (Bats)
Family	Strigidae (True Owls)	Vespertilionidae
Genus	Aegolius	Eptesicus
Species	Aegolius gradyi	Eptesicus serotinus

Evolutionary Relationship

Bermuda Saw-whet Owl and Serotine share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bermuda Saw-whet Owl

EX — Extinct

Serotine

VU — Vulnerable

Physical Characteristics

Attribute	Bermuda Saw-whet Owl	Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bermuda Saw-whet Owl

Habitat

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

Range

Found in Norway.

Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (7 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Serotine

Serotine (Eptesicus serotinus) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway