Common Cardinal vs Leatherback Sea Turtle

Cardinalis cardinalis compared with Dermochelys coriacea

Key Differences

• Common Cardinal is Least Concern while Leatherback Sea Turtle is Vulnerable.

Taxonomic Classification

Rank	Common Cardinal	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	Cardinalidae	Cheloniidae (Sea Turtles)
Genus	Cardinalis	Chelonia (Green Sea Turtles)
Species	Cardinalis cardinalis	Dermochelys coriacea

Evolutionary Relationship

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

Conservation Status

Common Cardinal

LC — Least Concern

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Common Cardinal	Leatherback Sea Turtle
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	2.0 m
Average Weight	—	500.0 kg

Habitat & Geographic Range

Common Cardinal

Habitat

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

Range

Widely distributed across Asia (United Arab Emirates), 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 Cardinal

Common Cardinal (Cardinalis cardinalis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Leatherback Sea Turtle

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