Emerald Spreadwing vs 虎鯨

Lestes dryas compared with Orcinus orca

Key Differences

• Emerald Spreadwing is Vulnerable while 虎鯨 is Data Deficient.

Taxonomic Classification

Rank	Emerald Spreadwing	虎鯨
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Arthropoda (节肢动物门)	Chordata (脊索动物门)
Class	Insecta (昆蟲綱)	Mammalia (哺乳動物)
Order	Odonata (蜻蜓目)	Cetacea (Whales & Dolphins)
Family	Lestidae	Delphinidae (Oceanic Dolphins)
Genus	Lestes	Orcinus (Orcas)
Species	Lestes dryas	Orcinus orca

Evolutionary Relationship

Emerald Spreadwing and 虎鯨 share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Emerald Spreadwing

VU — Vulnerable

虎鯨

DD — Data Deficient

Population: ~50.0K

Trend: Unknown ?

Physical Characteristics

Attribute	Emerald Spreadwing	虎鯨
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	8.0 m
Average Weight	—	5.4 t

Habitat & Geographic Range

Emerald Spreadwing

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (United States). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

虎鯨

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).

Emerald Spreadwing

翠色珍蟌（Lestes dryas）在IUCN红色名录中被列为易危（VU）。该物种在野外面临较高的濒危风险，种群持续下降，栖息地压力不断加剧。

虎鯨

作为海豚科体型最大的成员，虎鲸（Orcinus orca）体长可达9米，体重6吨，分布于从北极到南极的所有海洋。以母系群体生活的顶级捕食者，不同种群具有独特的方言、狩猎策略和文化传统。一些种群专门捕食鱼类，另一些则捕食海洋哺乳动物。没有天敌，虎鲸位于其所栖居的每条海洋食物链的顶端。

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden