Cardinal Click Beetle vs Ring-necked Duck

Ampedus cardinalis compared with Aythya collaris

Key Differences

• Cardinal Click Beetle is Critically Endangered while Ring-necked Duck is Least Concern.

Taxonomic Classification

Rank	Cardinal Click Beetle	Ring-necked Duck
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	Ampedus	Aythya
Species	Ampedus cardinalis	Aythya collaris

Evolutionary Relationship

Cardinal Click Beetle and Ring-necked Duck share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Cardinal Click Beetle

CR — Critically Endangered

Ring-necked Duck

LC — Least Concern

Physical Characteristics

Attribute	Cardinal Click Beetle	Ring-necked Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cardinal Click Beetle

Habitat

Inhabits temperate coniferous forests within the Palearctic biogeographic realm.

Range

Distributed across Denmark, Norway, Sweden, and Switzerland. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Ring-necked Duck

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Cardinal Click Beetle

The Cardinal Click Beetle (Ampedus cardinalis) is a species in the genus Ampedus. It is currently classified as Critically Endangered (CR) on the IUCN Red List. Inhabits temperate coniferous forests within the Palearctic biogeographic realm.

Ring-necked Duck

Ring-necked Duck (Aythya collaris) 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:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden