Gewöhnliche Osterluzei vs Kleiner Abendsegler

Aristolochia clematitis compared with Nyctalus leisleri

Key Differences

• Gewöhnliche Osterluzei is Near Threatened while Kleiner Abendsegler is Endangered.

Taxonomic Classification

Rank	Gewöhnliche Osterluzei	Kleiner Abendsegler
Kingdom	Plantae (Pflanzen)	Animalia (Tier)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordatiere)
Class	Magnoliopsida (Dicots)	Mammalia (Säugetiere)
Order	Piperales (Pfefferartige)	Chiroptera (Fledertiere)
Family	Aristolochiaceae	Vespertilionidae
Genus	Aristolochia	Nyctalus
Species	Aristolochia clematitis	Nyctalus leisleri

Conservation Status

Gewöhnliche Osterluzei

NT — Near Threatened

Kleiner Abendsegler

EN — Endangered

Physical Characteristics

Attribute	Gewöhnliche Osterluzei	Kleiner Abendsegler
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gewöhnliche Osterluzei

Habitat

Found across multiple habitat types including temperate coniferous forests, flooded grasslands and savannas, and Mediterranean forests and woodlands, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Algeria), Europe (13 countries), and North America (Canada, United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Kleiner Abendsegler

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.

Gewöhnliche Osterluzei

The Birthwort (Aristolochia clematitis) is a species in the genus Aristolochia. It is currently classified as Near Threatened on the IUCN Red List. Found across multiple habitat types including temperate coniferous forests, flooded grasslands and savannas, and Mediterranean forests and woodlands, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are al

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden