Alexander's Swift vs Arboreal Thorius

Apus alexandri compared with Thorius arboreus

Key Differences

• Alexander's Swift is Least Concern while Arboreal Thorius is Critically Endangered.

Taxonomic Classification

Rank	Alexander's Swift	Arboreal Thorius
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Amphibia (Amphibians)
Order	Apodiformes (Apodiformes)	Caudata (Caudata)
Family	Apodidae	Plethodontidae
Genus	Apus	Thorius
Species	Apus alexandri	Thorius arboreus

Evolutionary Relationship

Alexander's Swift and Arboreal Thorius share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Alexander's Swift

LC — Least Concern

Arboreal Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Alexander's Swift	Arboreal Thorius
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alexander's Swift

Habitat

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

Range

Found in Norway.

Arboreal Thorius

Habitat

Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Mexico. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Alexander's Swift

The Alexander's Swift (Apus alexandri) is a species in the genus Apus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Arboreal Thorius

The Arboreal Thorius (Thorius arboreus) is a species in the genus Thorius. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neo.