Common Raven vs Leatherback Sea Turtle

Corvus corax compared with Dermochelys coriacea

Key Differences

• Common Raven is Not Evaluated while Leatherback Sea Turtle is Vulnerable.
• Common Raven is omnivore while Leatherback Sea Turtle is carnivore.
• Leatherback Sea Turtle is 416.7x heavier than Common Raven.
• Leatherback Sea Turtle lives longer (50 years vs 15 years).

Taxonomic Classification

Rank	Common Raven	Leatherback Sea Turtle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Reptilia (Reptiles)
Order	Passeriformes (Songbirds)	Testudines (Turtles & Tortoises)
Family	Corvidae (Crows & Ravens)	Cheloniidae (Sea Turtles)
Genus	Corvus (Crows & Ravens)	Chelonia (Green Sea Turtles)
Species	Corvus corax	Dermochelys coriacea

Evolutionary Relationship

Common Raven and Leatherback Sea Turtle share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Raven

NE — Not Evaluated

Population: ~16.0M

Trend: Increasing ↑

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Common Raven	Leatherback Sea Turtle
Diet	Omnivore	Carnivore
Average Lifespan	15 years	50 years
Average Length	60 cm	2.0 m
Average Weight	1.2 kg	500.0 kg

Habitat & Geographic Range

Common Raven

Habitat

Typically found in a wide range of habitat types.

Range

Found across Europe (6 countries) and North America (United States).

Leatherback 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 5 distinct biome types spanning the Australasia and Indomalayan and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Costa Rica, Indonesia, Malaysia, and Trinidad and Tobago. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Common Raven

One of the most intelligent birds known, common ravens demonstrate problem-solving abilities rivaling great apes, including tool use, planning, and deceptive behavior. Found across the Northern Hemisphere from Arctic tundra to deserts, ravens are highly adaptable omnivores. They form complex social hierarchies, engage in cooperative foraging, and have been observed engaging in play. Their intelligence and black plumage have made them figures of mythology across many cultures.

Leatherback Sea Turtle

The leatherback is the largest living turtle and the fourth-heaviest reptile. Unlike other turtles, it has a soft, leathery shell.