Pygmy three-toed sloth vs White-collared Swift

Bradypus pygmaeus compared with Streptoprocne zonaris

Key Differences

• Pygmy three-toed sloth is Critically Endangered while White-collared Swift is Least Concern.

Taxonomic Classification

Rank	Pygmy three-toed sloth	White-collared Swift
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Pilosa (Sloths & Anteaters)	Apodiformes (Apodiformes)
Family	Bradypodidae (Three-toed Sloths)	Apodidae
Genus	Bradypus (Three-toed Sloths)	Streptoprocne
Species	Bradypus pygmaeus	Streptoprocne zonaris

Evolutionary Relationship

Pygmy three-toed sloth and White-collared Swift share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Pygmy three-toed sloth

CR — Critically Endangered

White-collared Swift

LC — Least Concern

Physical Characteristics

Attribute	Pygmy three-toed sloth	White-collared Swift
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Pygmy three-toed sloth

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

White-collared Swift

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

White-collared Swift

White-collared Swift (Streptoprocne zonaris) 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.