Black Clock vs Green Sea Turtle

Pterostichus madidus compared with Chelonia mydas

Key Differences

• Black Clock is Least Concern while Green Sea Turtle is Endangered.

Taxonomic Classification

Rank	Black Clock	Green Sea Turtle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Reptilia (Reptiles)
Order	Coleoptera (Beetles)	Testudines (Turtles & Tortoises)
Family	Carabidae	Cheloniidae (Sea Turtles)
Genus	Pterostichus	Chelonia (Green Sea Turtles)
Species	Pterostichus madidus	Chelonia mydas

Evolutionary Relationship

Black Clock and Green Sea Turtle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black Clock

LC — Least Concern

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Black Clock

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

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.

Black Clock

The Black Clock (Pterostichus madidus) is a species in the genus Pterostichus. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats. Distributed across Belgium, Denmark, Norway, Sweden, and Switzerland.

Green Sea Turtle

The green sea turtle is one of the largest sea turtles. They are named for the green color of their cartilage and fat, not their shells.