Knopper Gall vs Laysan Duck

Andricus quercuscalicis compared with Anas laysanensis

Key Differences

• Knopper Gall is Not Evaluated while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Knopper Gall	Laysan Duck
Kingdom same	Animalia (hayvan)	Animalia (hayvan)
Phylum	Arthropoda (Eklem bacaklılar)	Chordata (Kordalılar)
Class	Insecta (böcek)	Aves (kuş)
Order	Hymenoptera (Zar kanatlılar)	Anseriformes (Kazsılar)
Family	Cynipidae	Anatidae
Genus	Andricus	Anas
Species	Andricus quercuscalicis	Anas laysanensis

Evolutionary Relationship

Knopper Gall and Laysan Duck share a common ancestor at the Kingdom level: Animalia. (hayvan)

Conservation Status

Knopper Gall

NE — Not Evaluated

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Knopper Gall	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Knopper Gall

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (7 countries).

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.

Shared Countries

Both species can be found in 4 countries:

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