Baird’s Beaked Whale vs Leatherback Sea Turtle

Berardius bairdii compared with Dermochelys coriacea

Key Differences

• Baird’s Beaked Whale is Least Concern while Leatherback Sea Turtle is Vulnerable.

Taxonomic Classification

Rank	Baird’s Beaked Whale	Leatherback Sea Turtle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Reptilia (Reptiles)
Order	Cetacea (Whales & Dolphins)	Testudines (Turtles & Tortoises)
Family	Hyperoodontidae	Cheloniidae (Sea Turtles)
Genus	Berardius	Chelonia (Green Sea Turtles)
Species	Berardius bairdii	Dermochelys coriacea

Evolutionary Relationship

Baird’s Beaked Whale and Leatherback Sea Turtle share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Baird’s Beaked Whale

LC — Least Concern

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Baird’s Beaked Whale	Leatherback Sea Turtle
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	2.0 m
Average Weight	—	500.0 kg

Habitat & Geographic Range

Baird’s Beaked Whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Baird’s Beaked Whale

The Baird’s Beaked Whale (Berardius bairdii) is a species in the genus Berardius. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Leatherback Sea Turtle

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