Cleopatra vs Common Silver Hairgrass

Gonepteryx cleopatra compared with Aira caryophyllea

Key Differences

Cleopatra is Least Concern while Common Silver Hairgrass is Endangered.

Taxonomic Classification

Rank	Cleopatra	Common Silver Hairgrass
Kingdom	Animalia (hayvan)	Plantae (bitki)
Phylum	Arthropoda (Eklem bacaklılar)	Magnoliophyta (Flowering Plants)
Class	Insecta (böcek)	Liliopsida (Monocots)
Order	Lepidoptera (Pul kanatlılar)	Poales (Grasses)
Family	Pieridae	Poaceae (Grass Family)
Genus	Gonepteryx	Aira
Species	Gonepteryx cleopatra	Aira caryophyllea

Conservation Status

Cleopatra

LC — Least Concern

Common Silver Hairgrass

EN — Endangered

Physical Characteristics

Attribute	Cleopatra	Common Silver Hairgrass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cleopatra

Habitat

Inhabits Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Found across Asia (Cyprus) and Europe (15 countries).

Common Silver Hairgrass

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Cameroon), Asia (Japan, South Korea), Europe (6 countries), North America (4 countries), Oceania and the Pacific (Australia), and South America (4 countries). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Cleopatra

The Cleopatra, Gonepteryx cleopatra, is a large, striking butterfly in the family Pieridae found across the Mediterranean basin, including southern Europe from Portugal and Spain east to Greece and Turkey, and extending into North Africa and the Middle East. The species is closely related to the common Brimstone butterfly but is larger and more vividly colored. Males display brilliant yellow-orange upperwings with a distinctive deep orange patch on the forewing, while females are pale greenish-white, resembling the Brimstone. The undersides of both sexes are pale green, providing excellent camouflage when resting on vegetation. The Cleopatra inhabits warm, rocky hillsides, maquis, garrigue, woodland edges, and citrus groves where its larval host plants, buckthorns (Rhamnus species), are present. Adults are strong fliers, frequently visiting flowers for nectar. Like the Brimstone, the Cleopatra overwinters as an adult, sheltering in dense evergreen vegetation during the coldest months and re-emerging on warm winter days. The species produces one generation per year. It is widespread and locally common across its Mediterranean range and is assessed as Least Concern by IUCN, though habitat loss from agricultural intensification and urbanization affects local populations.

Common Silver Hairgrass

<em>Aira caryophyllea</em>, commonly known as Common Silver Hairgrass, is a slender annual grass belonging to the family Poaceae within the order Poales. This delicate grass is currently classified as Endangered on the IUCN Red List, reflecting significant conservation concern despite its historically broad distribution. It is typically found across a remarkable diversity of biome types, including tropical and subtropical moist broadleaf forests, grasslands, savannas, and flooded habitats, demonstrating notable ecological versatility. Its geographic range spans multiple continents, with documented populations in Africa (Cameroon), Asia (Japan, South Korea), Europe, North America, Australia, and South America. As an annual grass, it completes its life cycle within a single growing season, reproducing via wind-dispersed seeds. The inflorescence typically bears silvery, shimmering spikelets that give the species its common name. Biological traits such as average lifespan, body dimensions, and dietary specifics follow typical patterns for annual grasses — drawing nutrients from soil through root absorption rather than consuming other organisms. The endangered status suggests populations may be declining due to habitat loss, land-use change, or invasive species pressure across parts of its range.