Chatham Island Pigeon vs Green Sea Turtle

Hemiphaga chathamensis compared with Chelonia mydas

Key Differences

• Chatham Island Pigeon is Vulnerable while Green Sea Turtle is Endangered.

Taxonomic Classification

Rank	Chatham Island Pigeon	Green Sea Turtle
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Aves (นก)	Reptilia (สัตว์เลื้อยคลาน)
Order	Columbiformes (Pigeons & Doves)	Testudines (เต่า)
Family	Columbidae	Cheloniidae (Sea Turtles)
Genus	Hemiphaga	Chelonia (Green Sea Turtles)
Species	Hemiphaga chathamensis	Chelonia mydas

Evolutionary Relationship

Chatham Island Pigeon and Green Sea Turtle share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Chatham Island Pigeon

VU — Vulnerable

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Chatham Island Pigeon	Green Sea Turtle
Diet	—	Herbivore
Average Lifespan	—	80 years
Average Length	—	1.2 m
Average Weight	—	200.0 kg

Habitat & Geographic Range

Chatham Island Pigeon

Habitat

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

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Chatham Island Pigeon

The Chatham Island Pigeon (Hemiphaga chathamensis) is a species in the genus Hemiphaga. It is currently classified as Vulnerable on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

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.