Common Shelduck vs Gray-bellied Rice Rat

Tadorna tadorna compared with Nephelomys moerex

Key Differences

• Common Shelduck is Least Concern while Gray-bellied Rice Rat is Extinct.

Taxonomic Classification

Rank	Common Shelduck	Gray-bellied Rice Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Rodentia (Rodents)
Family	Anatidae	Cricetidae
Genus	Tadorna	Nephelomys
Species	Tadorna tadorna	Nephelomys moerex

Evolutionary Relationship

Common Shelduck and Gray-bellied Rice Rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Shelduck

LC — Least Concern

Gray-bellied Rice Rat

EX — Extinct

Physical Characteristics

Attribute	Common Shelduck	Gray-bellied Rice Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Shelduck

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and Taiwan.

Gray-bellied Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

Common Shelduck

Common Shelduck (Tadorna tadorna) 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.