pato-de-laysan vs Pacific false buttonweed

Anas laysanensis compared with Spermacoce exilis

Key Differences

• pato-de-laysan is Critically Endangered while Pacific false buttonweed is Not Evaluated.

Taxonomic Classification

Rank	pato-de-laysan	Pacific false buttonweed
Kingdom	Animalia (Animals)	Plantae (plantas)
Phylum	Chordata (cordados)	Magnoliophyta (Flowering Plants)
Class	Aves (ave)	Magnoliopsida (Dicots)
Order	Anseriformes (Anseriformes)	Gentianales (Gentianales)
Family	Anatidae	Rubiaceae
Genus	Anas	Spermacoce
Species	Anas laysanensis	Spermacoce exilis

Conservation Status

pato-de-laysan

CR — Critically Endangered

Pacific false buttonweed

NE — Not Evaluated

Physical Characteristics

Attribute	pato-de-laysan	Pacific false buttonweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

pato-de-laysan

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.

Pacific false buttonweed

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Africa (4 countries), Asia (Singapore, Timor-Leste, Vietnam), North America (4 countries), Oceania and the Pacific (7 countries), and South America (Colombia).

pato-de-laysan

O Pato-de-Laysan (Anas laysanensis) está classificado como Criticamente Ameaçado (CR) na Lista Vermelha da IUCN. Enfrenta um risco extremamente alto de extinção na natureza devido ao grave declínio populacional e à perda de habitat.