Japanese Weasel vs Olivaceous Piculet

Mustela itatsi compared with Picumnus olivaceus

Key Differences

• Japanese Weasel is Near Threatened while Olivaceous Piculet is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Olivaceous Piculet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Carnivora (Carnivorans)	Piciformes (Piciformes)
Family	Mustelidae (Weasels & Otters)	Picidae
Genus	Mustela	Picumnus
Species	Mustela itatsi	Picumnus olivaceus

Evolutionary Relationship

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

Conservation Status

Japanese Weasel

NT — Near Threatened

Olivaceous Piculet

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Olivaceous Piculet
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.

Olivaceous Piculet

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Olivaceous Piculet

Olivaceous Piculet (Picumnus olivaceus) 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.