Dusky Dolphin vs Red-flanked Bluetail

Lagenorhynchus obscurus compared with Tarsiger cyanurus

Key Differences

• Dusky Dolphin is Least Concern while Red-flanked Bluetail is Endangered.

Taxonomic Classification

Rank	Dusky Dolphin	Red-flanked Bluetail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Passeriformes (Songbirds)
Family	Delphinidae (Oceanic Dolphins)	Muscicapidae
Genus	Lagenorhynchus	Tarsiger
Species	Lagenorhynchus obscurus	Tarsiger cyanurus

Evolutionary Relationship

Dusky Dolphin and Red-flanked Bluetail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dusky Dolphin

LC — Least Concern

Red-flanked Bluetail

EN — Endangered

Physical Characteristics

Attribute	Dusky Dolphin	Red-flanked Bluetail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Red-flanked Bluetail

Habitat

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

Range

Found across Europe (8 countries). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Red-flanked Bluetail

Red-flanked Bluetail (Tarsiger cyanurus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.