Ardilla Gris Oriental vs Smooth Map Lichen

Sciurus carolinensis compared with Rhizocarpon hochstetteri

Key Differences

Ardilla Gris Oriental is Not Evaluated while Smooth Map Lichen is Vulnerable.

Taxonomic Classification

Rank	Ardilla Gris Oriental	Smooth Map Lichen
Kingdom	Animalia (動物)	Fungi (菌界)
Phylum	Chordata (脊索動物)	Ascomycota (子嚢菌門)
Class	Mammalia (哺乳類)	Lecanoromycetes (チャシブゴケ菌綱)
Order	Rodentia (ネズミ目)	Rhizocarpales (Rhizocarpales)
Family	Sciuridae (Squirrels)	Rhizocarpaceae
Genus	Sciurus (Tree Squirrels)	Rhizocarpon
Species	Sciurus carolinensis	Rhizocarpon hochstetteri

Conservation Status

Ardilla Gris Oriental

NE — Not Evaluated

Trend: Stable →

Smooth Map Lichen

VU — Vulnerable

Physical Characteristics

Attribute	Ardilla Gris Oriental	Smooth Map Lichen
Diet	Omnivore	—
Average Lifespan	6 years	—
Average Length	25 cm	—
Average Weight	500 g	—

Habitat & Geographic Range

Ardilla Gris Oriental

Habitat

Typically found in a wide range of habitat types.

Range

Widely distributed across Africa (South Africa), Asia (Indonesia), Europe (10 countries), and North America (Mexico, United States).

Smooth Map Lichen

Habitat

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

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Ardilla Gris Oriental

ヒガシハイリス（Sciurus carolinensis）は北米東部原産の中型樹上性げっ歯類で、ヨーロッパをはじめ世界各地に移入された外来種である。IUCNレッドリストでは軽度懸念（LC）に分類されており、都市公園や郊外の森林環境への適応力が高く、堅果の埋蔵行動が植物の種子散布に重要な役割を果たしている。英国ではニホンリスを食物競争で駆逐しており、侵略的外来種としても問題視されている。