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Mariana Swiftlet

Aerodramus bartschi

Vulnerable

날개 폭

17.7 cm

체중

7.25 g

과

Apodidae

목

Caprimulgiformes

소개

서태평양 마리아나 제도(괌, 사이판, 로타)에 고유하게 서식하는 작은 칼새류(10~11cm). 어두운 깃털에 연한 허리 반점이 있다. 공중 식충성이다.

Physical Description

Measurement	Value	Imperial
날개 폭	17.7 cm	7.0 in
체중	7.25 g	0.26 oz

식별

깃털

Tiny; dark brownish-black upperparts; pale grey-buff rump band; underparts pale whitish-grey; forked tail; Mariana Islands endemic and vulnerable; very small for the genus with concolorous brownish tone and subdued rump contrast.

Habitat & Range

🌲 Forest 🏖️ Coastal

분포 지역

Endemic to the Mariana Islands (Guam, Saipan, and adjacent islands). Resident in forested areas; nests in limestone caves. Endangered on Guam.

Diet & Feeding

Entirely airborne insectivore; feeds on minute flying insects and web-dispersing spiders over open habitats.

보전 상태

Vulnerable

IUCN Red List

행동 및 번식

둥지

Nest type: HC.

산란 수

소리

노래

Very high, thin twittering; tiny and high-pitched; 'tsit-tsit' over Guam and Saipan; audible echolocation clicks in cave roosts; endangered; vocal mainly near nesting caves

분류학

Kingdom	Animalia
Phylum	Chordata
Class	Aves
목	Caprimulgiformes (Nightjars & Swifts)
과	Apodidae (Swifts)
Genus	Aerodramus
종	Aerodramus bartschi

Distribution

Mariana Swiftlet has been recorded in 2 countries.

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출현 Not recorded

countries highlighted

🇳🇴 Norway 🇺🇸 United States

External Databases

자주 묻는 질문

What does the Mariana Swiftlet eat?

Entirely airborne insectivore; feeds on minute flying insects and web-dispersing spiders over open habitats.

Where does the Mariana Swiftlet live?

Endemic to the Mariana Islands (Guam, Saipan, and adjacent islands). Resident in forested areas; nests in limestone caves. Endangered on Guam.

Is the Mariana Swiftlet endangered?

The Mariana Swiftlet has a conservation status of Vulnerable.

How does the Mariana Swiftlet nest?

Nest type: HC.

What does the Mariana Swiftlet sound like?

Very high, thin twittering; tiny and high-pitched; 'tsit-tsit' over Guam and Saipan; audible echolocation clicks in cave roosts; endangered; vocal mainly near nesting caves

How big is the Mariana Swiftlet?

The Mariana Swiftlet has a wingspan of 17.7 cm, weight of 7.25 g.

What order and family does the Mariana Swiftlet belong to?

The Mariana Swiftlet (Aerodramus bartschi) belongs to the order Caprimulgiformes and the family Apodidae.