Big Water Crayfish vs Buff-collared Nightjar

Cambarus robustus compared with Antrostomus ridgwayi

Taxonomic Classification

Rank	Big Water Crayfish	Buff-collared Nightjar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Malacostraca (Crustaceans)	Aves (Birds)
Order	Decapoda (Decapoda)	Caprimulgiformes (Caprimulgiformes)
Family	Cambaridae	Caprimulgidae
Genus	Cambarus	Antrostomus
Species	Cambarus robustus	Antrostomus ridgwayi

Evolutionary Relationship

Big Water Crayfish and Buff-collared Nightjar share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Big Water Crayfish

LC — Least Concern

Buff-collared Nightjar

LC — Least Concern

Physical Characteristics

Attribute	Big Water Crayfish	Buff-collared Nightjar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Water Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in United States.

Buff-collared Nightjar

Habitat

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

Range

Found in Norway.

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.

Buff-collared Nightjar

The Buff-Collared Nightjar (Antrostomus ridgwayi) is a species in the genus Antrostomus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.