American marten vs Chestnut-collared Longspur

Martes americana compared with Calcarius ornatus

Key Differences

• American marten is Least Concern while Chestnut-collared Longspur is Vulnerable.

Taxonomic Classification

Rank	American marten	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	Martes	Calcarius
Species	Martes americana	Calcarius ornatus

Evolutionary Relationship

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

Conservation Status

American marten

LC — Least Concern

Chestnut-collared Longspur

VU — Vulnerable

Physical Characteristics

Attribute	American marten	Chestnut-collared Longspur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American marten

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.

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.

American marten

The American marten (Martes americana) is a species in the genus Martes. 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.