Alder Milkcap vs Big Finner

Lactarius obscuratus compared with Balaenoptera physalus

Key Differences

• Alder Milkcap is Least Concern while Big Finner is Endangered.

Taxonomic Classification

Rank	Alder Milkcap	Big Finner
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Russulales (Russulales)	Cetacea (Whales & Dolphins)
Family	Russulaceae	Balaenopteridae (Rorquals)
Genus	Lactarius	Balaenoptera (Rorquals)
Species	Lactarius obscuratus	Balaenoptera physalus

Conservation Status

Alder Milkcap

LC — Least Concern

Big Finner

EN — Endangered

Physical Characteristics

Attribute	Alder Milkcap	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder Milkcap

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Big Finner

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Alder Milkcap

The Alder Milkcap (Lactarius obscuratus) is a species in the genus Lactarius. It is currently classified as Least Concern on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.

Big Finner

Big Finner (Balaenoptera physalus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden