Ardilla Gris Oriental vs Humble Pixie-Cup Lichen

Sciurus carolinensis compared with Cladonia humilis

Key Differences

Ardilla Gris Oriental is Not Evaluated while Humble Pixie-Cup Lichen is Vulnerable.

Taxonomic Classification

Rank	Ardilla Gris Oriental	Humble Pixie-Cup 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)	Lecanorales (チャシブゴケ目)
Family	Sciuridae (Squirrels)	Cladoniaceae
Genus	Sciurus (Tree Squirrels)	Cladonia
Species	Sciurus carolinensis	Cladonia humilis

Conservation Status

Ardilla Gris Oriental

NE — Not Evaluated

Trend: Stable →

Humble Pixie-Cup Lichen

VU — Vulnerable

Physical Characteristics

Attribute	Ardilla Gris Oriental	Humble Pixie-Cup 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).

Humble Pixie-Cup Lichen

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Brazil). 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。