Chestnut Coloured Click Beetle vs Gadwall

Anostirus castaneus compared with Mareca strepera

Taxonomic Classification

Rank	Chestnut Coloured Click Beetle	Gadwall
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Coleoptera (Beetles)	Anseriformes (Anseriformes)
Family	Elateridae	Anatidae
Genus	Anostirus	Mareca
Species	Anostirus castaneus	Mareca strepera

Evolutionary Relationship

Chestnut Coloured Click Beetle and Gadwall share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Chestnut Coloured Click Beetle

LC — Least Concern

Gadwall

LC — Least Concern

Physical Characteristics

Attribute	Chestnut Coloured Click Beetle	Gadwall
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chestnut Coloured Click Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and Switzerland.

Gadwall

Habitat

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

Range

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

Chestnut Coloured Click Beetle

The Chestnut Coloured Click Beetle (Anostirus castaneus) is a species in the genus Anostirus. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Gadwall

Gadwall (Mareca strepera) 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 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden