Japanese Weasel vs Little Grebe

Mustela itatsi compared with Tachybaptus ruficollis

Key Differences

• Japanese Weasel is Near Threatened while Little Grebe is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Little Grebe
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Carnivora (Carnivorans)	Podicipediformes (Podicipediformes)
Family	Mustelidae (Weasels & Otters)	Podicipedidae
Genus	Mustela	Tachybaptus
Species	Mustela itatsi	Tachybaptus ruficollis

Evolutionary Relationship

Japanese Weasel and Little Grebe share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Japanese Weasel

NT — Near Threatened

Little Grebe

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Little Grebe
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Japanese Weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Japan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Little Grebe

Habitat

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

Range

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

Little Grebe

Little Grebe (Tachybaptus ruficollis) 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.