Schwarzfeder-Höschenkolibri vs Brook Floater

Eriocnemis derbyi compared with Alasmidonta varicosa

Key Differences

• Schwarzfeder-Höschenkolibri is Near Threatened while Brook Floater is Vulnerable.

Taxonomic Classification

Rank	Schwarzfeder-Höschenkolibri	Brook Floater
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Chordata (Chordatiere)	Mollusca (Weichtiere)
Class	Aves (Vögel)	Bivalvia (Muscheln)
Order	Apodiformes (Seglervögel)	Unionida (Unionida)
Family	Trochilidae	Unionidae
Genus	Eriocnemis	Alasmidonta
Species	Eriocnemis derbyi	Alasmidonta varicosa

Evolutionary Relationship

Schwarzfeder-Höschenkolibri and Brook Floater share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Schwarzfeder-Höschenkolibri

NT — Near Threatened

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute	Schwarzfeder-Höschenkolibri	Brook Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Schwarzfeder-Höschenkolibri

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Schwarzfeder-Höschenkolibri

An Andean puffleg hummingbird named for the males' distinctive velvety black thighs contrasting with the characteristic white leg feather puffs, black-thighed pufflegs inhabit humid montane forest and forest edges in Ecuador and Colombia at elevations of 1,500–3,500 meters. Males display glittering green plumage with a violet-blue tail. Listed as Near Threatened due to deforestation of the Andean cloud forest, with populations declining as the specialized high-altitude forest habitat is cleared for agriculture.

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.