Great Thick-knee vs Little Black Serotine

Esacus recurvirostris compared with Eptesicus andinus

Key Differences

• Great Thick-knee is Near Threatened while Little Black Serotine is Least Concern.

Taxonomic Classification

Rank	Great Thick-knee	Little Black Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Charadriiformes (Charadriiformes)	Chiroptera (Bats)
Family	Burhinidae	Vespertilionidae
Genus	Esacus	Eptesicus
Species	Esacus recurvirostris	Eptesicus andinus

Evolutionary Relationship

Great Thick-knee and Little Black Serotine share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Great Thick-knee

NT — Near Threatened

Little Black Serotine

LC — Least Concern

Physical Characteristics

Attribute	Great Thick-knee	Little Black Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Great Thick-knee

Habitat

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

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Little Black Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.