Laysan Duck vs Red-billed Duck

Anas laysanensis compared with Anas erythrorhyncha

Key Differences

• Laysan Duck is Critically Endangered while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Laysan Duck	Red-billed Duck
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class same	Aves (새)	Aves (새)
Order same	Anseriformes (기러기목)	Anseriformes (기러기목)
Family same	Anatidae	Anatidae
Genus same	Anas	Anas
Species	Anas laysanensis	Anas erythrorhyncha

Evolutionary Relationship

Laysan Duck and Red-billed Duck share a common ancestor at the Genus level: Anas.

Conservation Status

Laysan Duck

CR — Critically Endangered

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Laysan Duck	Red-billed Duck
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.

Red-billed Duck

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (6 countries) and South America (Ecuador).

Laysan Duck

레이산 오리(Anas laysanensis)는 IUCN 적색목록에서 위급(CR) 등급으로 분류됩니다. 심각한 개체수 감소와 서식지 손실로 인해 야생에서 절멸할 위험이 매우 높은 종입니다.

Red-billed Duck

붉은부리오리(Anas erythrorhyncha)는 IUCN 적색목록에서 최소우려(LC)로 분류된다. 분포 범위 전역에서 흔하고 개체 수가 안정적이며 즉각적인 보전 우려가 없다.

Shared Countries

Both species can be found in 5 countries:

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