Brook Floater vs Red-legged Cormorant

Alasmidonta varicosa compared with Phalacrocorax gaimardi

Key Differences

• Brook Floater is Vulnerable while Red-legged Cormorant is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Red-legged Cormorant
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Aves (Birds)
Order	Unionida (Unionida)	Suliformes (Suliformes)
Family	Unionidae	Phalacrocoracidae
Genus	Alasmidonta	Phalacrocorax
Species	Alasmidonta varicosa	Phalacrocorax gaimardi

Evolutionary Relationship

Brook Floater and Red-legged Cormorant share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Red-legged Cormorant

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Red-legged Cormorant
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brook Floater

Habitat

Native to North America, inhabiting ecosystems characteristic of the region.

Range

Found in United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Red-legged Cormorant

Habitat

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

Range

Found in Norway.

Brook Floater

The Brook Floater (Alasmidonta varicosa) is a species in the genus Alasmidonta. It is currently classified as Vulnerable on the IUCN Red List. Native to North America, inhabiting ecosystems characteristic of the region.