Bermuda Saw-whet Owl vs common tree frog

Aegolius gradyi compared with Hyla arborea

Key Differences

• Bermuda Saw-whet Owl is Extinct while common tree frog is Critically Endangered.

Taxonomic Classification

Rank	Bermuda Saw-whet Owl	common tree frog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Amphibia (Amphibians)
Order	Strigiformes (Owls)	Anura (Frogs & Toads)
Family	Strigidae (True Owls)	Hylidae
Genus	Aegolius	Hyla
Species	Aegolius gradyi	Hyla arborea

Evolutionary Relationship

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

Conservation Status

Bermuda Saw-whet Owl

EX — Extinct

common tree frog

CR — Critically Endangered

Physical Characteristics

Attribute	Bermuda Saw-whet Owl	common tree frog
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.

common tree frog

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (7 countries). Currently classified as Critically Endangered 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.

common tree frog

common tree frog (Hyla arborea) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.