Chaco Owl vs Lesser Noctule

Strix chacoensis compared with Nyctalus leisleri

Key Differences

• Chaco Owl is Near Threatened while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Chaco Owl	Lesser Noctule
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	Strix	Nyctalus
Species	Strix chacoensis	Nyctalus leisleri

Evolutionary Relationship

Chaco Owl and Lesser Noctule share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Chaco Owl

NT — Near Threatened

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Chaco Owl	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chaco Owl

Habitat

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

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Lesser Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Luxembourg, Sweden, and Ukraine. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Chaco Owl

The Chaco Owl (Strix chacoensis) is a species in the genus Strix. It is currently classified as Near Threatened on the IUCN Red List. Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.