Ruff vs small tortoiseshell

Calidris pugnax compared with Aglais urticae

Key Differences

• Ruff is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Ruff	small tortoiseshell
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Chordata (脊索动物门)	Arthropoda (节肢动物门)
Class	Aves (鳥綱)	Insecta (昆蟲綱)
Order	Charadriiformes (鸻形目)	Lepidoptera (鱗翅目)
Family	Scolopacidae	Nymphalidae (Brush-footed Butterflies)
Genus	Calidris	Aglais
Species	Calidris pugnax	Aglais urticae

Evolutionary Relationship

Ruff and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Ruff

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Ruff	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ruff

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

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

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.

Ruff

流苏鹬（Calidris pugnax）在IUCN红色名录中被列为无危（LC）。在其分布范围内广泛分布且数量丰富，种群稳定，无迫切保护忧虑。

small tortoiseshell

小玳瑁蛱蝶(Aglais urticae)在IUCN红色名录中被列为近危(NT)物种。接近符合受威胁种标准，如无保护措施，种群可能变得脆弱。

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden