Bermuda Saw-whet Owl vs Common Groundhopper

Aegolius gradyi compared with Tetrix undulata

Key Differences

• Bermuda Saw-whet Owl is Extinct while Common Groundhopper is Least Concern.

Taxonomic Classification

Rank	Bermuda Saw-whet Owl	Common Groundhopper
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Strigiformes (Owls)	Orthoptera (Orthoptera)
Family	Strigidae (True Owls)	Tetrigidae
Genus	Aegolius	Tetrix
Species	Aegolius gradyi	Tetrix undulata

Evolutionary Relationship

Bermuda Saw-whet Owl and Common Groundhopper share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bermuda Saw-whet Owl

EX — Extinct

Common Groundhopper

LC — Least Concern

Physical Characteristics

Attribute	Bermuda Saw-whet Owl	Common Groundhopper
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 Groundhopper

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden.

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 Groundhopper

The common groundhopper, <em>Tetrix undulata</em>, is a small insect belonging to the order Orthoptera, family Tetrigidae. This species has an exceptionally broad ecological tolerance and is typically found across virtually all terrestrial and freshwater habitat types within its range. Its distribution spans Belgium, Denmark, Luxembourg, Norway, and Sweden, reflecting a wide presence across northern and western Europe. Unlike most grasshoppers, groundhoppers typically lack fully developed hind wings in some individuals and are often found on bare ground, mossy substrates, and near water margins. <em>Tetrix undulata</em> is assessed as Least Concern on the IUCN Red List, indicating stable populations across its European range. No dietary information has been provided for this species. Biological traits of this species remain poorly documented in the scientific literature.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway