Predacious diving beetle vs Red-billed Duck

Hydroporus guernei compared with Anas erythrorhyncha

Key Differences

• Predacious diving beetle is Endangered while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Predacious diving beetle	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Coleoptera (Beetles)	Anseriformes (Anseriformes)
Family	Dytiscidae	Anatidae
Genus	Hydroporus	Anas
Species	Hydroporus guernei	Anas erythrorhyncha

Evolutionary Relationship

Predacious diving beetle and Red-billed Duck share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Predacious diving beetle

EN — Endangered

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Predacious diving beetle	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Predacious diving beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in Portugal. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) 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.