Banded Demoiselle vs Green Sea Turtle

Calopteryx splendens compared with Chelonia mydas

Key Differences

Banded Demoiselle is Least Concern while Green Sea Turtle is Endangered.

Taxonomic Classification

Rank	Banded Demoiselle	Green Sea Turtle
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Arthropoda (節足動物)	Chordata (脊索動物)
Class	Insecta (昆虫)	Reptilia (爬虫類)
Order	Odonata (蜻蛉目)	Testudines (カメ)
Family	Calopterygidae	Cheloniidae (Sea Turtles)
Genus	Calopteryx	Chelonia (Green Sea Turtles)
Species	Calopteryx splendens	Chelonia mydas

Evolutionary Relationship

Banded Demoiselle and Green Sea Turtle share a common ancestor at the Kingdom level: Animalia. (動物)

表示 Kingdom: Animalia

Conservation Status

Banded Demoiselle

LC — Least Concern

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Banded Demoiselle	Green Sea Turtle
Diet	—	Herbivore
Average Lifespan	—	80 years
Average Length	—	1.2 m
Average Weight	—	200.0 kg

Habitat & Geographic Range

Banded Demoiselle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden.

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.

Banded Demoiselle

バンデッドデモワゼル（Calopteryx splendens）は西ヨーロッパ〜中央アジアの緩流水域に分布する大型のカワトンボ科のトンボで、雄の翼中央の特徴的な青紫色の金属光沢の帯が美しい求愛ディスプレイに使われる。IUCNレッドリストでは軽度懸念（LC）に分類されており、清澄で緩やかな河川・小川の水生植物周辺に生息する。翅を優雅に広げてひらひらと飛ぶ蝶のような飛翔スタイルが観察者を魅了する淡水生態系の象徴的な種である。