Corn Crake vs Pallas's squirrel, Red-bellied tree squirrel

Crex crex compared with Callosciurus erythraeus

Key Differences

• Corn Crake is Critically Endangered while Pallas's squirrel, Red-bellied tree squirrel is Not Evaluated.

Taxonomic Classification

Rank	Corn Crake	Pallas's squirrel, Red-bellied tree squirrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Gruiformes (Gruiformes)	Rodentia (Rodents)
Family	Rallidae	Sciuridae (Squirrels)
Genus	Crex	Callosciurus
Species	Crex crex	Callosciurus erythraeus

Evolutionary Relationship

Corn Crake and Pallas's squirrel, Red-bellied tree squirrel share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Corn Crake

CR — Critically Endangered

Pallas's squirrel, Red-bellied tree squirrel

NE — Not Evaluated

Physical Characteristics

Attribute	Corn Crake	Pallas's squirrel, Red-bellied tree squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Corn Crake

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (6 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Pallas's squirrel, Red-bellied tree squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (China, Japan), Europe (8 countries), and South America (Argentina).

Corn Crake

Corn Crake (Crex crex) 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 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden