Gray-shanked Douc Langur vs Long-tailed Sylph

Pygathrix cinerea compared with Aglaiocercus kingii

Key Differences

• Gray-shanked Douc Langur is Critically Endangered while Long-tailed Sylph is Least Concern.

Taxonomic Classification

Rank	Gray-shanked Douc Langur	Long-tailed Sylph
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class	Mammalia (포유류)	Aves (새)
Order	Primates (영장목)	Apodiformes (칼새목)
Family	Cercopithecidae (Old World Monkeys)	Trochilidae
Genus	Pygathrix	Aglaiocercus
Species	Pygathrix cinerea	Aglaiocercus kingii

Evolutionary Relationship

Gray-shanked Douc Langur and Long-tailed Sylph share a common ancestor at the Phylum level: Chordata. (척삭동물)

Conservation Status

Gray-shanked Douc Langur

CR — Critically Endangered

Long-tailed Sylph

LC — Least Concern

Physical Characteristics

Attribute	Gray-shanked Douc Langur	Long-tailed Sylph
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-shanked Douc Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Long-tailed Sylph

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Long-tailed Sylph

긴꼬리실프(Aglaiocercus kingii)는 가장 화려하게 장식된 벌새 중 하나로, 수컷은 금속빛 녹색 깃털과 22cm에 달하는 리본 모양의 길게 늘어난 바깥 꼬리 깃털을 가지며 이는 몸 길이의 세 배를 넘는다. 콜롬비아와 베네수엘라의 안데스 구름 숲 해발 1,400~2,800m에 서식하며, 수컷은 암컷을 유혹하기 위해 정교한 과시 비행을 수행한다. 화려한 꼬리는 암컷의 선택에 의한 성적 선택의 고전적인 사례다.