Brook Floater vs Spangled Cotinga

Alasmidonta varicosa compared with Cotinga cayana

Key Differences

• Brook Floater is Vulnerable while Spangled Cotinga is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Spangled Cotinga
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Aves (Birds)
Order	Unionida (Unionida)	Passeriformes (Songbirds)
Family	Unionidae	Cotingidae
Genus	Alasmidonta	Cotinga
Species	Alasmidonta varicosa	Cotinga cayana

Evolutionary Relationship

Brook Floater and Spangled Cotinga share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Spangled Cotinga

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Spangled Cotinga
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.

Spangled Cotinga

Habitat

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

Range

Found across Europe (5 countries) and South America (Colombia, Ecuador, 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.

Spangled Cotinga

Spangled Cotinga (Cotinga cayana) 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.