Bighead knapweed vs Green Sea Turtle

Centaurea macrocephala compared with Chelonia mydas

Key Differences

• Bighead knapweed is Not Evaluated while Green Sea Turtle is Endangered.

Taxonomic Classification

Rank	Bighead knapweed	Green Sea Turtle
Kingdom	Plantae (植物)	Animalia (動物)
Phylum	Magnoliophyta (被子植物門)	Chordata (脊索動物)
Class	Magnoliopsida (モクレン綱)	Reptilia (爬虫類)
Order	Asterales (キク目)	Testudines (カメ)
Family	Asteraceae (Daisy Family)	Cheloniidae (Sea Turtles)
Genus	Centaurea	Chelonia (Green Sea Turtles)
Species	Centaurea macrocephala	Chelonia mydas

Conservation Status

Bighead knapweed

NE — Not Evaluated

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Bighead knapweed

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found across Europe (6 countries) and North America (Canada, 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.

Bighead knapweed

The Bighead knapweed (Centaurea macrocephala) is a species in the genus Centaurea. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Green Sea Turtle

アオウミガメは最も大きなウミガメの一つです。甲羅ではなく軟骨と脂肪の緑色に由来して名付けられました。