Brook Floater vs Chestnut-crested Cotinga

Alasmidonta varicosa compared with Ampelion rufaxilla

Key Differences

• Brook Floater is Vulnerable while Chestnut-crested Cotinga is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Chestnut-crested 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	Ampelion
Species	Alasmidonta varicosa	Ampelion rufaxilla

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Chestnut-crested Cotinga

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Chestnut-crested 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.

Chestnut-crested Cotinga

Habitat

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

Range

Distributed across Colombia, Ecuador, and 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.

Chestnut-crested Cotinga

The Chestnut-crested Cotinga (Ampelion rufaxilla) is a species in the genus Ampelion. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.