• Welcome to BirdForum, the internet's largest birding community with thousands of members from all over the world. The forums are dedicated to wild birds, birding, binoculars and equipment and all that goes with it.

    Please register for an account to take part in the discussions in the forum, post your pictures in the gallery and more.
ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Mascarene Swiftlet - BirdForum Opus

Aerodramus francicus

Identification

A small Swiftlet (10,5cm)

  • Dark brown upperparts with whitish rump
  • Pale brown underparts
  • Forked tail
  • Capable of echolocation

Similar Species

Similar to Seychelles Swiftlet, but no range overlap. For differences see Seychelles Swiftlet.

Distribution

Reunion Island and Mauritius Island (together called the Mascarenes, hence the name).
Nests are often destroyed by vandals or speleologist, but some caves are inaccessible and so protected.

Taxonomy

Is sometimes considerd conspecific with Seychelles Swiftlet and forms a superspecies with it. Like other Aerodramus Swiftlets it's also sometimes placed into genus Collocalia.

Habitat

Occurs over a wide variety of habitats, breeds in caves and lava tunnels.

Behaviour

Feeds on insects taken in flight. Gregarious and often feeding in flocks.
Seems to breed year round. Nests in caves, using echolocation. The nest is bracket-shaped and made of lichen filaments, glued together with saliva. Lays one egg.
Resident species. Former records on Madagascar probably false identification.

External Links

Back
Top