fern-grass vs small tortoiseshell

Catapodium rigidum compared with Aglais urticae

Key Differences

fern-grass is Endangered while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	fern-grass	small tortoiseshell
Kingdom	Plantae (พืช)	Animalia (สัตว์)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (สัตว์ขาปล้อง)
Class	Liliopsida (Monocots)	Insecta (แมลง)
Order	Poales (อันดับหญ้า)	Lepidoptera (ผีเสื้อ)
Family	Poaceae (Grass Family)	Nymphalidae (Brush-footed Butterflies)
Genus	Catapodium	Aglais
Species	Catapodium rigidum	Aglais urticae

Conservation Status

fern-grass

EN — Endangered

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	fern-grass	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

fern-grass

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and Mediterranean forests and woodlands, among 9 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (Japan), Europe (10 countries), North America (Mexico), Oceania and the Pacific (Australia), and South America (Argentina, Brazil, Chile). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

fern-grass

No description available.

small tortoiseshell

small tortoiseshell (Aglais urticae) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.