Dusky Dolphin vs Nazca Booby

Lagenorhynchus obscurus compared with Sula granti

Key Differences

• Dusky Dolphin is Least Concern while Nazca Booby is Vulnerable.

Taxonomic Classification

Rank	Dusky Dolphin	Nazca Booby
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Suliformes (Suliformes)
Family	Delphinidae (Oceanic Dolphins)	Sulidae
Genus	Lagenorhynchus	Sula
Species	Lagenorhynchus obscurus	Sula granti

Evolutionary Relationship

Dusky Dolphin and Nazca Booby share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dusky Dolphin

LC — Least Concern

Nazca Booby

VU — Vulnerable

Physical Characteristics

Attribute	Dusky Dolphin	Nazca Booby
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Nazca Booby

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.