Autumn Snowflake vs Black-headed Gull

Acis autumnalis compared with Chroicocephalus ridibundus

Key Differences

• Autumn Snowflake is Least Concern while Black-headed Gull is Vulnerable.

Taxonomic Classification

Rank	Autumn Snowflake	Black-headed Gull
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	Chroicocephalus
Species	Acis autumnalis	Chroicocephalus ridibundus

Conservation Status

Autumn Snowflake

LC — Least Concern

Black-headed Gull

VU — Vulnerable

Physical Characteristics

Attribute	Autumn Snowflake	Black-headed Gull
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.

Black-headed Gull

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Venezuela). 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.

Black-headed Gull

Black-headed Gull (Chroicocephalus ridibundus) 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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway