Grey Birch Button vs pato-de-laysan

Acleris logiana compared with Anas laysanensis

Key Differences

• Grey Birch Button is Least Concern while pato-de-laysan is Critically Endangered.

Taxonomic Classification

Rank	Grey Birch Button	pato-de-laysan
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (artrópode)	Chordata (cordados)
Class	Insecta (inseto)	Aves (ave)
Order	Lepidoptera (Butterflies & Moths)	Anseriformes (Anseriformes)
Family	Tortricidae	Anatidae
Genus	Acleris	Anas
Species	Acleris logiana	Anas laysanensis

Evolutionary Relationship

Grey Birch Button and pato-de-laysan share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Grey Birch Button

LC — Least Concern

pato-de-laysan

CR — Critically Endangered

Physical Characteristics

Attribute	Grey Birch Button	pato-de-laysan
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Grey Birch Button

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Canada, Denmark, Norway, and Sweden.

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.

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.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway