Lesser Noctule vs Sea Lettuce

Nyctalus leisleri compared with Ulva lactuca

Key Differences

• Lesser Noctule is Endangered while Sea Lettuce is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	Sea Lettuce
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Chlorophyta (Chlorophyta)
Class	Mammalia (Mammals)	Ulvophyceae (Ulvophyceae)
Order	Chiroptera (Bats)	Ulvales (Ulvales)
Family	Vespertilionidae	Ulvaceae
Genus	Nyctalus	Ulva
Species	Nyctalus leisleri	Ulva lactuca

Conservation Status

Lesser Noctule

EN — Endangered

Sea Lettuce

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Sea Lettuce
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.

Sea Lettuce

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Lebanon, Taiwan, Turkey), Europe (4 countries), North America (Mexico), Oceania and the Pacific (New Zealand), and South America (Brazil).

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇸🇪 Sweden