大苇莺 vs tiny risso snail

Acrocephalus arundinaceus compared with Rissoa parva

Key Differences

• 大苇莺 is Critically Endangered while tiny risso snail is Least Concern.

Taxonomic Classification

Rank	大苇莺	tiny risso snail
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Chordata (脊索动物门)	Mollusca (软体动物门)
Class	Aves (鳥綱)	Gastropoda (腹足纲)
Order	Passeriformes (雀形目)	Littorinimorpha (滨螺形目)
Family	Acrocephalidae	Rissoidae
Genus	Acrocephalus	Rissoa
Species	Acrocephalus arundinaceus	Rissoa parva

Evolutionary Relationship

大苇莺 and tiny risso snail share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

大苇莺

CR — Critically Endangered

tiny risso snail

LC — Least Concern

Physical Characteristics

Attribute	大苇莺	tiny risso snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

大苇莺

Habitat

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

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

tiny risso snail

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

大苇莺

大苇莺（Acrocephalus arundinaceus）在IUCN红色名录中被列为极度濒危物种（CR）。由于种群数量严重下降和栖息地丧失，在野外面临极高的灭绝风险。

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden