Brook Floater vs 大杜鵑

Alasmidonta varicosa compared with Cuculus canorus

Key Differences

• Brook Floater is Vulnerable while 大杜鵑 is Near Threatened.

Taxonomic Classification

Rank	Brook Floater	大杜鵑
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Mollusca (软体动物门)	Chordata (脊索动物门)
Class	Bivalvia (双壳纲)	Aves (鳥綱)
Order	Unionida (蚌目)	Cuculiformes (鹃形目)
Family	Unionidae	Cuculidae
Genus	Alasmidonta	Cuculus
Species	Alasmidonta varicosa	Cuculus canorus

Evolutionary Relationship

Brook Floater and 大杜鵑 share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Brook Floater

VU — Vulnerable

大杜鵑

NT — Near Threatened

Physical Characteristics

Attribute	Brook Floater	大杜鵑
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.

大杜鵑

Habitat

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

Range

Found across Europe (6 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

大杜鵑

大杜鹃（Cuculus canorus）在IUCN红色名录中被列为近危（NT）。接近受威胁标准，若无保护措施，种群可能变得脆弱。