Gray-rumped Swift vs Guiana Dolphin

Chaetura cinereiventris compared with Sotalia guianensis

Key Differences

• Gray-rumped Swift is Least Concern while Guiana Dolphin is Data Deficient.

Taxonomic Classification

Rank	Gray-rumped Swift	Guiana Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Apodiformes (Apodiformes)	Cetacea (Whales & Dolphins)
Family	Apodidae	Delphinidae (Oceanic Dolphins)
Genus	Chaetura	Sotalia
Species	Chaetura cinereiventris	Sotalia guianensis

Evolutionary Relationship

Gray-rumped Swift and Guiana Dolphin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray-rumped Swift

LC — Least Concern

Guiana Dolphin

DD — Data Deficient

Physical Characteristics

Attribute	Gray-rumped Swift	Guiana Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-rumped Swift

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Guiana Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Gray-rumped Swift

Gray-rumped Swift (Chaetura cinereiventris) 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.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela