Brook Floater vs Gray-lined Hawk

Alasmidonta varicosa compared with Buteo nitidus

Key Differences

• Brook Floater is Vulnerable while Gray-lined Hawk is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Gray-lined Hawk
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Aves (Birds)
Order	Unionida (Unionida)	Accipitriformes (Hawks & Eagles)
Family	Unionidae	Accipitridae (Hawks & Eagles)
Genus	Alasmidonta	Buteo
Species	Alasmidonta varicosa	Buteo nitidus

Evolutionary Relationship

Brook Floater and Gray-lined Hawk share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Gray-lined Hawk

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Gray-lined Hawk
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.

Gray-lined Hawk

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

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.

Gray-lined Hawk

Gray-lined Hawk (Buteo nitidus) 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.