Autumn Snowflake vs River Tern

Acis autumnalis compared with Sterna aurantia

Key Differences

Autumn Snowflake is Least Concern while River Tern is Vulnerable.

Taxonomic Classification

Rank	Autumn Snowflake	River Tern
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Aves (Birds)
Order	Asparagales (Asparagales)	Charadriiformes (Charadriiformes)
Family	Amaryllidaceae	Laridae
Genus	Acis	Sterna
Species	Acis autumnalis	Sterna aurantia

Conservation Status

Autumn Snowflake

LC — Least Concern

River Tern

VU — Vulnerable

Physical Characteristics

Attribute	Autumn Snowflake	River Tern
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.

River Tern

Habitat

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

Range

Found in Norway. 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.