Amazon weasel vs Chestnut-collared Longspur

Mustela africana compared with Calcarius ornatus

Key Differences

• Amazon weasel is Least Concern while Chestnut-collared Longspur is Vulnerable.

Taxonomic Classification

Rank	Amazon weasel	Chestnut-collared Longspur
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Carnivora (Carnivorans)	Passeriformes (Songbirds)
Family	Mustelidae (Weasels & Otters)	Calcariidae
Genus	Mustela	Calcarius
Species	Mustela africana	Calcarius ornatus

Evolutionary Relationship

Amazon weasel and Chestnut-collared Longspur share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazon weasel

LC — Least Concern

Chestnut-collared Longspur

VU — Vulnerable

Physical Characteristics

Attribute	Amazon weasel	Chestnut-collared Longspur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Chestnut-collared Longspur

Habitat

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

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Amazon weasel

The Amazon weasel (Mustela africana) is a species in the genus Mustela. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Chestnut-collared Longspur

The Chestnut-collared Longspur (Calcarius ornatus) is a species in the genus Calcarius. It is currently classified as Vulnerable on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.