Nyctale de tengmalm vs Buff Button

Aegolius funereus compared with Acleris permutana

Key Differences

• Nyctale de tengmalm is Least Concern while Buff Button is Vulnerable.

Taxonomic Classification

Rank	Nyctale de tengmalm	Buff Button
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum	Chordata (Chordates)	Arthropoda (arthropodes)
Class	Aves (oiseau)	Insecta (insecte)
Order	Strigiformes (Owls)	Lepidoptera (Butterflies & Moths)
Family	Strigidae (True Owls)	Tortricidae
Genus	Aegolius	Acleris
Species	Aegolius funereus	Acleris permutana

Evolutionary Relationship

Nyctale de tengmalm and Buff Button share a common ancestor at the Kingdom level: Animalia. (animal)

Conservation Status

Nyctale de tengmalm

LC — Least Concern

Buff Button

VU — Vulnerable

Physical Characteristics

Attribute	Nyctale de tengmalm	Buff Button
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Nyctale de tengmalm

Habitat

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

Range

Found across Europe (6 countries) and North America (United States).

Buff Button

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Nyctale de tengmalm

The Boreal Owl (Aegolius funereus) is a species in the genus Aegolius. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Buff Button

The Buff Button (Acleris permutana) is a species in the genus Acleris. It is currently classified as Vulnerable on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden