Bamboo bear vs Chestnut-collared Longspur

Ailuropoda melanoleuca compared with Calcarius ornatus

Taxonomic Classification

Rank	Bamboo bear	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	Ursidae (Bears)	Calcariidae
Genus	Ailuropoda (Giant Pandas)	Calcarius
Species	Ailuropoda melanoleuca	Calcarius ornatus

Evolutionary Relationship

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

Conservation Status

Bamboo bear

VU — Vulnerable

Population: ~1.9K

Trend: Increasing ↑

Chestnut-collared Longspur

VU — Vulnerable

Physical Characteristics

Attribute	Bamboo bear	Chestnut-collared Longspur
Diet	Herbivore	—
Average Lifespan	20 years	—
Average Length	1.5 m	—
Average Weight	100.0 kg	—

Habitat & Geographic Range

Bamboo bear

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate coniferous forests, and temperate broadleaf and mixed forests, among 7 distinct biome types spanning the Indomalayan and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

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

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.

Bamboo bear

Iconic black-and-white bear of the mountain bamboo forests of central China, giant pandas can weigh up to 125 kg and spend up to 14 hours daily consuming bamboo, which comprises 99% of their diet despite belonging to the order Carnivora. Solitary and elusive, they have a pseudo-thumb for gripping bamboo stems. Downgraded from Endangered to Vulnerable in 2016 following successful conservation and breeding programs.

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.