Green Sea Turtle vs Cisne Vulgar

Chelonia mydas compared with Cygnus olor

Key Differences

• Green Sea Turtle is Endangered while Cisne Vulgar is Near Threatened.
• Green Sea Turtle is 16.7x heavier than Cisne Vulgar.
• Green Sea Turtle lives longer (80 years vs 20 years).

Taxonomic Classification

Rank	Green Sea Turtle	Cisne Vulgar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Reptilia (reptil)	Aves (Birds)
Order	Testudines (Turtles & Tortoises)	Anseriformes (Anseriformes)
Family	Cheloniidae (Sea Turtles)	Anatidae
Genus	Chelonia (Green Sea Turtles)	Cygnus
Species	Chelonia mydas	Cygnus olor

Evolutionary Relationship

Green Sea Turtle and Cisne Vulgar share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Cisne Vulgar

NT — Near Threatened

Population: ~600.0K

Trend: Increasing ↑

Physical Characteristics

Attribute	Green Sea Turtle	Cisne Vulgar
Diet	Herbivore	Herbivore
Average Lifespan	80 years	20 years
Average Length	1.2 m	1.5 m
Average Weight	200.0 kg	12.0 kg

Habitat & Geographic 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.

Cisne Vulgar

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 8 distinct biome types.

Range

Widely distributed across Africa (South Africa), Asia (4 countries), Europe (24 countries), North America (Canada, Dominican Republic, United States), Oceania and the Pacific (New Zealand), and South America (Colombia, Peru). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Green Sea Turtle

La tortuga verde (Chelonia mydas) es una de las tortugas marinas más grandes. Su nombre proviene del color verde de su cartílago y grasa, no del caparazón.

Cisne Vulgar

El cisne vulgar es el cisne mas comunmente encontrado a nivel mundial y una de las aves voladoras mas grandes, con un peso de hasta 15 kg, y habita lagos, rios y bahias costeras en Europa y Asia, con poblaciones introducidas ampliamente distribuidas en America del Norte y Australia. A pesar de su nombre, los cisnes vulgares producen una variedad de sonidos como siseos, gruñidos y silbidos de alas. Los machos defienden territorialmente sus areas y son capaces de herir a personas y ahogar perros con potentes golpes de ala.