Four-spotted Chaser vs Green Sea Turtle

Libellula quadrimaculata compared with Chelonia mydas

Key Differences

• Four-spotted Chaser is Least Concern while Green Sea Turtle is Endangered.

Taxonomic Classification

Rank	Four-spotted Chaser	Green Sea Turtle
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)	Reptilia (爬行纲)
Order	Odonata (蜻蜓目)	Testudines (龟鳖目)
Family	Libellulidae	Cheloniidae (Sea Turtles)
Genus	Libellula	Chelonia (Green Sea Turtles)
Species	Libellula quadrimaculata	Chelonia mydas

Evolutionary Relationship

Four-spotted Chaser and Green Sea Turtle share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Four-spotted Chaser

LC — Least Concern

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Four-spotted Chaser	Green Sea Turtle
Diet	—	Herbivore
Average Lifespan	—	80 years
Average Length	—	1.2 m
Average Weight	—	200.0 kg

Habitat & Geographic Range

Four-spotted Chaser

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (United States).

Green Sea Turtle

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 8 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Australia, Brazil, Costa Rica, Indonesia, and Mexico. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Four-spotted Chaser

四斑蜻（Libellula quadrimaculata）在IUCN红色名录中被列为无危（LC）。在整个分布范围内广泛分布且数量丰富，种群稳定，无直接的保护关注。

Green Sea Turtle

绿海龟是最大的海龟之一。其名称源于软骨和脂肪的绿色，而非龟壳的颜色。