Autumn Snowflake vs Willow Warbler

Acis autumnalis compared with Phylloscopus trochilus

Key Differences

Autumn Snowflake is Least Concern while Willow Warbler is Vulnerable.

Taxonomic Classification

Rank	Autumn Snowflake	Willow Warbler
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Aves (Birds)
Order	Asparagales (Asparagales)	Passeriformes (Songbirds)
Family	Amaryllidaceae	Phylloscopidae
Genus	Acis	Phylloscopus
Species	Acis autumnalis	Phylloscopus trochilus

Conservation Status

Autumn Snowflake

LC — Least Concern

Willow Warbler

VU — Vulnerable

Physical Characteristics

Attribute	Autumn Snowflake	Willow Warbler
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Autumn Snowflake

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Found in Norway.

Willow Warbler

Habitat

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

Range

Found across Asia (Taiwan) and Europe (5 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Autumn Snowflake

The Autumn Snowflake (Acis autumnalis) is a species in the genus Acis. It is currently classified as Least Concern on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Willow Warbler

Willow Warbler (Phylloscopus trochilus) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.