common rock-rose vs Epaulard

Helianthemum nummularium compared with Orcinus orca

Key Differences

common rock-rose is Near Threatened while Epaulard is Data Deficient.

Taxonomic Classification

Rank	common rock-rose	Epaulard
Kingdom	Plantae (植物)	Animalia (動物)
Phylum	Magnoliophyta (被子植物門)	Chordata (脊索動物)
Class	Magnoliopsida (モクレン綱)	Mammalia (哺乳類)
Order	Malvales (アオイ目)	Cetacea (Whales & Dolphins)
Family	Cistaceae	Delphinidae (Oceanic Dolphins)
Genus	Helianthemum	Orcinus (Orcas)
Species	Helianthemum nummularium	Orcinus orca

Conservation Status

common rock-rose

NT — Near Threatened

Epaulard

DD — Data Deficient

Population: ~50.0K

Trend: Unknown ?

Physical Characteristics

Attribute	common rock-rose	Epaulard
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	8.0 m
Average Weight	—	5.4 t

Habitat & Geographic Range

common rock-rose

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found across Europe (6 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Epaulard

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador, Venezuela).

common rock-rose

<em>Helianthemum nummularium</em>, the common rock rose, is a low-growing subshrub in the family Cistaceae, order Malvales. It is assessed as Near Threatened on the IUCN Red List and is distributed across Europe, with populations documented in Belgium, Czech Republic, Germany, Norway, Sweden, and the United Kingdom. Common rock rose typically grows in calcareous grasslands, rocky outcrops, chalk and limestone downlands, and dry heathland habitats with well-drained, nutrient-poor soils. It is a characteristic species of traditionally managed grasslands and is considered a key plant in European chalk grassland communities. The plant produces small but vivid yellow five-petaled flowers from late spring to midsummer, attracting a range of pollinating insects. <em>Helianthemum nummularium</em> is a host plant for the caterpillars of several specialist butterfly species, including the brown argus. Its Near Threatened status reflects the significant loss of calcareous grassland habitat across Europe due to agricultural intensification, scrub encroachment, and land use change. As a plant, biological traits such as lifespan and diet are measured differently than in animals; the species is a perennial subshrub with vegetative spread and seed reproduction. Conservation grazing management is critical for maintaining suitable habitat for this species.

Epaulard

イルカ科で最大の種であるシャチ（Orcinus orca）は体長最大9メートル、体重6トンに達し、北極から南極まですべての海洋に生息しています。独特の方言、狩猟戦略、集団間で異なる文化的伝統を持つ母系ポッドで生活する頂点捕食者です。一部の集団は魚類を、他の集団は海洋哺乳類を専門に捕食します。天敵はなく、シャチは生息するすべての海洋食物連鎖の頂点に位置します。