grand héron vs tiny risso snail

Ardea herodias compared with Rissoa parva

Taxonomic Classification

Rank	grand héron	tiny risso snail
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum	Chordata (Chordates)	Mollusca (mollusques)
Class	Aves (oiseau)	Gastropoda (Gastropoda)
Order	Pelecaniformes (Pelecaniformes)	Littorinimorpha (Littorinimorpha)
Family	Ardeidae	Rissoidae
Genus	Ardea	Rissoa
Species	Ardea herodias	Rissoa parva

Evolutionary Relationship

grand héron and tiny risso snail share a common ancestor at the Kingdom level: Animalia. (animal)

Conservation Status

grand héron

LC — Least Concern

tiny risso snail

LC — Least Concern

Physical Characteristics

Attribute	grand héron	tiny risso snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

grand héron

Habitat

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

Range

Widely distributed across Europe (5 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

tiny risso snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

grand héron

Great Blue/Cocoi Heron (Ardea herodias) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway