Ground beetle vs Laysan Duck

Calathus vicenteorum compared with Anas laysanensis

Key Differences

• Ground beetle is Extinct while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Ground beetle	Laysan 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 vicenteorum	Anas laysanensis

Evolutionary Relationship

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

Conservation Status

Ground beetle

EX — Extinct

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Ground beetle	Laysan 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.

Laysan Duck

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Laysan Duck

Laysan Duck (Anas laysanensis) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.