Butternut Canker vs Laysan Duck

Ophiognomonia clavigignenti-juglandacearum compared with Anas laysanensis

Key Differences

• Butternut Canker is Not Evaluated while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Butternut Canker	Laysan Duck
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Sordariomycetes (Sordariomycetes)	Aves (Birds)
Order	Diaporthales (Diaporthales)	Anseriformes (Anseriformes)
Family	Gnomoniaceae	Anatidae
Genus	Ophiognomonia	Anas
Species	Ophiognomonia clavigignenti-juglandacearum	Anas laysanensis

Conservation Status

Butternut Canker

NE — Not Evaluated

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Butternut Canker	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Butternut Canker

Habitat

Native to North America, inhabiting ecosystems characteristic of the region.

Range

Found in United States.

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.

Butternut Canker

The Butternut Canker (Ophiognomonia clavigignenti-juglandacearum) is a species in the genus Ophiognomonia. Native to North America, inhabiting ecosystems characteristic of the region.

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.