Alexander's Swift vs Big Water Crayfish

Apus alexandri compared with Cambarus robustus

Taxonomic Classification

Rank	Alexander's Swift	Big Water Crayfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Malacostraca (Crustaceans)
Order	Apodiformes (Apodiformes)	Decapoda (Decapoda)
Family	Apodidae	Cambaridae
Genus	Apus	Cambarus
Species	Apus alexandri	Cambarus robustus

Evolutionary Relationship

Alexander's Swift and Big Water Crayfish share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Alexander's Swift

LC — Least Concern

Big Water Crayfish

LC — Least Concern

Physical Characteristics

Attribute	Alexander's Swift	Big Water Crayfish
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.

Big Water Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in United States.

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.

Big Water Crayfish

The Big Water Crayfish (Cambarus robustus) is a species in the genus Cambarus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine, freshwater, and terrestrial environments.