Ground beetle vs Red-billed Duck

Calathus lundbladi compared with Anas erythrorhyncha

Key Differences

• Ground beetle is Critically Endangered while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Ground 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	Carabidae	Anatidae
Genus	Calathus	Anas
Species	Calathus lundbladi	Anas erythrorhyncha

Evolutionary Relationship

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

Conservation Status

Ground beetle

CR — Critically Endangered

Red-billed Duck

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Ground beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in Portugal. Currently classified as Critically 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.