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Mariana Swiftlet

Aerodramus bartschi

Vulnerable

翼展

17.7 cm

体重

7.25 g

科

Apodidae

目

Caprimulgiformes

On this page

关于

一种小型金丝燕（体长10-11厘米），特产于西太平洋马里亚纳群岛（关岛、塞班岛、罗塔岛等）。属雨燕科（Apodidae），在岛上的洞穴和悬崖上繁殖。

Physical Description

Measurement	Value	Imperial
翼展	17.7 cm	7.0 in
体重	7.25 g	0.26 oz

识别

羽毛

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

分布范围

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.

保护状况

Vulnerable

IUCN Red List

行为与繁殖

筑巢

Nest type: HC.

产卵数

声音

鸣唱

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

分类学

Kingdom	Animalia
Phylum	Chordata
Class	Aves
目	Caprimulgiformes (Nightjars & Swifts)
科	Apodidae (Swifts)
Genus	Aerodramus
物种	Aerodramus bartschi

Distribution

Mariana Swiftlet has been recorded in 2 countries.

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出现 Not recorded

countries highlighted

🇳🇴 Norway 🇺🇸 United States

External Databases

常见问题

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.