black-shanked douc vs Common Sun Beetle

Pygathrix nigripes compared with Amara aenea

Key Differences

• black-shanked douc is Critically Endangered while Common Sun Beetle is Least Concern.

Taxonomic Classification

Rank	black-shanked douc	Common Sun Beetle
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Arthropoda (節足動物)
Class	Mammalia (哺乳類)	Insecta (昆虫)
Order	Primates (サル目)	Coleoptera (コウチュウ目)
Family	Cercopithecidae (Old World Monkeys)	Carabidae
Genus	Pygathrix	Amara
Species	Pygathrix nigripes	Amara aenea

Evolutionary Relationship

black-shanked douc and Common Sun Beetle share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

black-shanked douc

CR — Critically Endangered

Common Sun Beetle

LC — Least Concern

Physical Characteristics

Attribute	black-shanked douc	Common Sun Beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

black-shanked douc

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common Sun Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (7 countries) and North America (Canada, United States).

black-shanked douc

The Black-shanked douc (Pygathrix nigripes) is a species in the genus Pygathrix. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Common Sun Beetle

<em>Amara aenea</em>, the common sun beetle, is a carabid ground beetle in the family Carabidae, order Coleoptera. It is broadly distributed across Europe and has been introduced to North America, typically inhabiting open, sunny habitats such as arable fields, grasslands, sandy heathlands, and disturbed ground with sparse vegetation. Adults are omnivorous, feeding on seeds, small invertebrates, and plant material, and are considered important predators of weed seeds in agricultural systems. <em>Amara aenea</em> is surface-active during warm, dry conditions, typically exhibiting peak activity in late spring and summer. Like many carabid beetles, it is nocturnal and shelters under stones and debris during the day. Larvae develop in the soil, where they also feed on organic matter and small invertebrates. Biological traits including precise adult lifespan, body length measurements, and detailed prey preferences remain poorly documented at the species level. The species is assessed as Least Concern by the IUCN, reflecting its wide distribution, high adaptability to disturbed environments, and no significant known threats to global population status.