Leatherback Sea Turtle vs カタジロアマツバメ

Dermochelys coriacea compared with Aeronautes montivagus

Key Differences

• Leatherback Sea Turtle is Vulnerable while カタジロアマツバメ is Least Concern.

Taxonomic Classification

Rank	Leatherback Sea Turtle	カタジロアマツバメ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Reptilia (爬虫類)	Aves (鳥類)
Order	Testudines (カメ)	Apodiformes (アマツバメ目)
Family	Cheloniidae (Sea Turtles)	Apodidae
Genus	Chelonia (Green Sea Turtles)	Aeronautes
Species	Dermochelys coriacea	Aeronautes montivagus

Evolutionary Relationship

Leatherback Sea Turtle and カタジロアマツバメ share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

カタジロアマツバメ

LC — Least Concern

Physical Characteristics

Attribute	Leatherback Sea Turtle	カタジロアマツバメ
Diet	Carnivore	—
Average Lifespan	50 years	—
Average Length	2.0 m	—
Average Weight	500.0 kg	—

Habitat & Geographic Range

Leatherback 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 5 distinct biome types spanning the Australasia and Indomalayan and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Costa Rica, Indonesia, Malaysia, and Trinidad and Tobago. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

カタジロアマツバメ

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Leatherback Sea Turtle

オサガメは現存する最大のカメであり、爬虫類の中で4番目に重い種です。他のカメとは異なり、硬い甲羅ではなく柔らかく革のような皮膚に覆われています。

カタジロアマツバメ

シロハシアマツバメ（Aeronautes montivagus）はIUCNレッドリストで軽度懸念（LC）に分類されています。生息域全体に広く分布し個体群は安定しており、緊急の保全上の懸念はありません。