Black Siskin vs Harmless Serotine

Spinus atratus compared with Eptesicus innoxius

Key Differences

• Black Siskin is Least Concern while Harmless Serotine is Near Threatened.

Taxonomic Classification

Rank	Black Siskin	Harmless Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Chiroptera (Bats)
Family	Fringillidae	Vespertilionidae
Genus	Spinus	Eptesicus
Species	Spinus atratus	Eptesicus innoxius

Evolutionary Relationship

Black Siskin and Harmless Serotine share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black Siskin

LC — Least Concern

Harmless Serotine

NT — Near Threatened

Physical Characteristics

Attribute	Black Siskin	Harmless Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Siskin

Habitat

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

Range

Found in Norway.

Harmless Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Black Siskin

The Black Siskin (Spinus atratus) is a species in the genus Spinus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.