Lesser Noctule vs Ring-billed Gull

Nyctalus leisleri compared with Larus delawarensis

Key Differences

• Lesser Noctule is Endangered while Ring-billed Gull is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	Ring-billed Gull
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Charadriiformes (Charadriiformes)
Family	Vespertilionidae	Laridae
Genus	Nyctalus	Larus
Species	Nyctalus leisleri	Larus delawarensis

Evolutionary Relationship

Lesser Noctule and Ring-billed Gull share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Lesser Noctule

EN — Endangered

Ring-billed Gull

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Ring-billed Gull
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Ring-billed Gull

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Ring-billed Gull

Ring-billed Gull (Larus delawarensis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden