Harmless Serotine vs Pine Siskin

Eptesicus innoxius compared with Spinus pinus

Key Differences

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

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Harmless Serotine

NT — Near Threatened

Pine Siskin

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

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.

Pine Siskin

Habitat

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

Range

Distributed across Norway and United States.