Leatherback Sea Turtle vs Mexican Violetear

Dermochelys coriacea compared with Colibri thalassinus

Key Differences

• Leatherback Sea Turtle is Vulnerable while Mexican Violetear is Least Concern.

Taxonomic Classification

Rank	Leatherback Sea Turtle	Mexican Violetear
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Reptilia (Reptiles)	Aves (Birds)
Order	Testudines (Turtles & Tortoises)	Apodiformes (Apodiformes)
Family	Cheloniidae (Sea Turtles)	Trochilidae
Genus	Chelonia (Green Sea Turtles)	Colibri
Species	Dermochelys coriacea	Colibri thalassinus

Evolutionary Relationship

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

Conservation Status

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Mexican Violetear

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

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.

Mexican Violetear

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, United States, and Venezuela.

Leatherback Sea Turtle

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

Mexican Violetear

A medium-sized, predominantly green hummingbird with a distinctive iridescent violet-blue ear patch and chest stripe, Mexican violetears inhabit highland and montane forests from Mexico south through Central America at elevations of 1,000–3,000 meters. Males are aggressive, highly vocal territory defenders and perform showy flight displays. They breed at high altitudes but some populations make seasonal altitudinal migrations. Among the most common hummingbirds in Mexican highland pine-oak and cloud forest habitats.