Bécasseau variable vs Little Black Serotine

Calidris alpina compared with Eptesicus andinus

Taxonomic Classification

Rank	Bécasseau variable	Little Black Serotine
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (oiseau)	Mammalia (mammifères)
Order	Charadriiformes (Charadriiformes)	Chiroptera (Bats)
Family	Scolopacidae	Vespertilionidae
Genus	Calidris	Eptesicus
Species	Calidris alpina	Eptesicus andinus

Evolutionary Relationship

Bécasseau variable and Little Black Serotine share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bécasseau variable

LC — Least Concern

Little Black Serotine

LC — Least Concern

Physical Characteristics

Attribute	Bécasseau variable	Little Black Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bécasseau variable

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Little Black Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Bécasseau variable

Dunlin (Calidris alpina) 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.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela