Alder leaf beetle vs Речная крачка

Agelastica alni compared with Sterna hirundo

Key Differences

• Alder leaf beetle is Least Concern while Речная крачка is Endangered.

Taxonomic Classification

Rank	Alder leaf beetle	Речная крачка
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum	Arthropoda (членистоногие)	Chordata (хордовые)
Class	Insecta (насекомые)	Aves (птицы)
Order	Coleoptera (жесткокрылые)	Charadriiformes (ржанкообразные)
Family	Chrysomelidae	Laridae
Genus	Agelastica	Sterna
Species	Agelastica alni	Sterna hirundo

Evolutionary Relationship

Alder leaf beetle and Речная крачка share a common ancestor at the Kingdom level: Animalia. (животные)

Conservation Status

Alder leaf beetle

LC — Least Concern

Речная крачка

EN — Endangered

Physical Characteristics

Attribute	Alder leaf beetle	Речная крачка
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder leaf beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

Речная крачка

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 9 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Europe (7 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Alder leaf beetle

The Alder leaf beetle (Agelastica alni) is a species in the genus Agelastica. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Речная крачка

Common Tern (Sterna hirundo) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States