Heer Wolf Spider vs Laysan Duck

Hogna heeri compared with Anas laysanensis

Key Differences

• Heer Wolf Spider is Least Concern while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Heer Wolf Spider	Laysan Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Arachnida (Arachnids)	Aves (Birds)
Order	Araneae (Araneae)	Anseriformes (Anseriformes)
Family	Lycosidae	Anatidae
Genus	Hogna	Anas
Species	Hogna heeri	Anas laysanensis

Evolutionary Relationship

Heer Wolf Spider and Laysan Duck share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Heer Wolf Spider

LC — Least Concern

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Heer Wolf Spider	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Heer Wolf Spider

Habitat

Typically found in terrestrial habitats from forests to deserts.

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.