Foca común vs Green Sea Turtle

Phoca vitulina compared with Chelonia mydas

Key Differences

• Foca común is Near Threatened while Green Sea Turtle is Endangered.
• Foca común is carnivore while Green Sea Turtle is herbivore.
• Green Sea Turtle is 2.5x heavier than Foca común.
• Green Sea Turtle lives longer (80 years vs 30 years).

Taxonomic Classification

Rank	Foca común	Green Sea Turtle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Reptilia (reptil)
Order	Pinnipedia (Seals & Sea Lions)	Testudines (Turtles & Tortoises)
Family	Phocidae (True Seals)	Cheloniidae (Sea Turtles)
Genus	Phoca (Harbor Seals)	Chelonia (Green Sea Turtles)
Species	Phoca vitulina	Chelonia mydas

Evolutionary Relationship

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

Conservation Status

Foca común

NT — Near Threatened

Population: ~500.0K

Trend: Stable →

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Foca común	Green Sea Turtle
Diet	Carnivore	Herbivore
Average Lifespan	30 years	80 years
Average Length	1.7 m	1.2 m
Average Weight	80.0 kg	200.0 kg

Habitat & Geographic Range

Foca común

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Found across Europe (7 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Foca común

El pinípedo de distribución más amplia, la foca común (Phoca vitulina) habita las costas templadas y subárticas del Atlántico Norte y el Pacífico Norte. Los adultos alcanzan hasta 130 kg y pasan aproximadamente el mismo tiempo en el mar cazando peces, calamares y crustáceos que descansando en playas y rocas. Sus grandes y expresivos ojos están adaptados para la visión subacuática en condiciones de poca luz. La foca común es una fuente de alimento fundamental para orcas, tiburones y osos polares.

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.