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Mariana Swiftlet

Aerodramus bartschi

Vulnerable
Envergadura
17,7 cm
Peso
7,25 g
Familia
Apodidae
Orden
Caprimulgiformes

Acerca de

El vencejo de Guam es endémico de Guam y las islas Marianas del Norte. Considerado En Peligro por la destrucción del hábitat y los depredadores introducidos. Nidifica en cuevas y acantilados. Familia Apodidae.

Physical Description

Measurement Value Imperial
Envergadura 17,7 cm 7.0 in
Peso 7,25 g 0.26 oz

Identificación

Plumaje

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

Distribución geográfica

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.

Estado de conservación

Vulnerable
IUCN Red List

Comportamiento y reproducción

Nidificación

Nest type: HC.

Tamaño de la puesta

1

Sonido

Canto

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

Taxonomía

Kingdom Animalia
Phylum Chordata
Class Aves
Orden Caprimulgiformes (Chotacabras y Vencejos)
Familia Apodidae (Vencejos)
Genus Aerodramus
Especies Aerodramus bartschi

Distribution

Mariana Swiftlet has been recorded in 2 countries.

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Presente Not recorded
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countries highlighted

External Databases

Preguntas frecuentes

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.

Similar Birds

Other species in the Apodidae family

Comparar

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