Laysan Duck vs Triangulate Bud Spider

Anas laysanensis compared with Steatoda triangulosa

Key Differences

• Laysan Duck is Critically Endangered while Triangulate Bud Spider is Least Concern.

Taxonomic Classification

Rank	Laysan Duck	Triangulate Bud Spider
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Arachnida (Arachnids)
Order	Anseriformes (Anseriformes)	Araneae (Araneae)
Family	Anatidae	Theridiidae
Genus	Anas	Steatoda
Species	Anas laysanensis	Steatoda triangulosa

Evolutionary Relationship

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

Conservation Status

Laysan Duck

CR — Critically Endangered

Triangulate Bud Spider

LC — Least Concern

Physical Characteristics

Attribute	Laysan Duck	Triangulate Bud Spider
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Triangulate Bud Spider

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Found across Europe (28 countries) and North America (Canada, United States).

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.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇬🇧 United Kingdom