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Edible-nest Swiftlet
Esculent Swallow and Nest by John Latham
Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Apodiformes
Family: Apodidae
Genus: Aerodramus
Species: A. fuciphagus
Binomial name
Aerodramus fuciphagus
(Thunberg, 1812)
Synonyms

Collocalia fuciphaga

The Edible-nest Swiftlet (Aerodramus fuciphagus) is a small bird of the swift family which is found in South-east Asia. Its nest is made of solidified saliva and is used to make bird's nest soup.

Description[edit]

Swift in flight

It is 11 to 12 cm long and weighs 15 to 18 grams. The plumage is blackish-brown above, paler on the underparts. The rump is slightly paler than the rest of the upperparts. The tail is slightly forked and the wings are long and narrow. The bill and feet are black.

The subspecies A. f. micans is paler and greyer while A. f. vestitus is darker with a rump that is less obviously paler.

Several calls are uttered including a loud, rattling call used for echolocation in dark caves.

Distribution and subspecies[edit]

There are six subspecies of the Edible-nest Swiftlet:

German's Swiftlet (Aerodramus germani), with two subspecies germani and amechanus, was formerly considered to be conspecific with the Edible-nest Swiftlet, but is now often considered to be a separate species. It occurs in the Malay Peninsula, central Thailand, coastal Vietnam and Cambodia, Hainan, northern Borneo and parts of the Philippines.

Behavior[edit]

The Edible-nest Swiftlet feeds over a range of habitats from coastal areas to the mountains, occurring up to 2,800 metres above sea-level on Sumatra and Borneo. Its diet consists of flying insects which are caught on the wing. It often feeds in large flocks with other species of swift and swallow.

It breeds in colonies in caves, in a cleft in a cliff or sometimes on a building. The bracket-shaped nest is white and translucent and is made of layers of hardened saliva attached to the rock. It measures about 6 cm across with a depth of 1.5 cm and a weight of about 14 grams. Two white, oval, non-glossy eggs are laid.

Relationship with Humans[edit]

The nest before use in bird's nest soup

The nest used in bird's nest soup are composed almost entirely of saliva with little or no plant material. The soup is made by soaking and steaming the nests in water and is said to be an aphrodisiac and to have various medicinal qualities. The nests can fetch high prices and many colonies are harvested commercially.

Some populations such as those in the Andaman and Nicobar Islands have been harvested extensively leading to them being considered critically threatened under the IUCN criteria.[1][2]

The use of artificial bird houses is growing.[3] A detailed account of modern nest farming and marketing techniques is given by Jordan (2004). In Malaysia, "farming" of nests is performed in purpose-built structures or old empty houses with "tweeters" playing recordings of bird calls on the roof to attract swiftlets. In urban areas, such "bird houses" may be considered a nuisance by neighbours due to the loud bird calls and bird feces.

Notes[edit]

  1. ^ a b BirdLife International (2012). "Collocalia fuciphaga". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013. 
  2. ^ R. Sankaran (2001) The status and conservation of the Edible-nest Swiftlet (Collocalia fuciphaga) in the Andaman and Nicobar Islands. Biological Conservation 97:283-294
  3. ^ Boyle, Joe (27 Jan 2011). "Welcome to Indonesia's bird nest soup factory town". BBC. 

References[edit]

  • Chantler, Phil & Driessens, Gerald (2000) Swifts: A Guide to the Swifts and Treeswifts of the World, 2nd ed., Pica Press, East Sussex.
  • Jordan, David, 2004,"Globalisation and Bird's Nest Soup" International Development Planning Review, Volume 26, Number 1, Liverpool Unviversity Press and http://www.jordanresearch.co.uk/pubs.html
  • MacKinnon, John & Phillipps, Karen (1993) A Field Guide to the Birds of Borneo, Sumatra, Java and Bali, Oxford University Press, Oxford.
  • Robson, Craig (2002) A Field Guide to the Birds of South-East Asia, New Holland Publishers (UK) Ltd., London.

External links[edit]


Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Edible-nest_Swiftlet — Please support Wikipedia.
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1395 videos foundNext > 

Planet Wild - Cave Swiftlets | Storyteller Media

This short 3 minute mini doc from the BBC showing the birds responsible for make the nests in Birds Nest Soup! They are made of birds spit. Storyteller produ...

Edible Nest Swiftlet House In Mukah

Good animal husbandry practices for birdnest farming to ensure production of high quality edible nest. To know more about this lucrative business log on to h...

Edible-nest Swiftlet (Aerodramus fuciphagus) nests at Gomantong

These nests were found in the 'bat caves' at Gomantong. This is one of the echo-locating swiftlets that can navigate in the dark using echo location like bat...

Edible nest swiftlets, Malaysia. 20120511_055048.m2ts

At dawn the edible nest swiftlets ( Aerodramus fuciphagus and A. maximus) stream out of Gomantong cave, Lower Kinabatangan, Sabah, Malaysia.

Swiftlet's House

The Edible-nest Swiftlet (Aerodramus fuciphagus) is a small bird of the swift family which is found in South-east Asia. Its nest is made of solidified saliva...

Edible nest swiftlets, Malaysia. 20120511_054642.m2ts

At dawn the edible nest swiftlets ( Aerodramus fuciphagus and A. maximus) stream out of Gomantong cave, Lower Kinabatangan, Sabah, Malaysia.

Edible nest swiftlets, Malaysia. 20120511_055121.m2ts

At dawn the edible nest swiftlets ( Aerodramus fuciphagus and A. maximus) stream out of Gomantong cave, Lower Kinabatangan, Sabah, Malaysia.

Swiftlet Swallow Birds Nest From Borneo Malaysia 馬來西亞燕窩

http://www.swiftlet.chinesecarts.com The great Value of Birds Nests Birds nest has been regarded as highly nutritional as wild ginseng for thousand of years....

Swiftlet Farming in Sarawak

One of the swiftlet house in Sarawak which capable of producing 10 kg of high quality edible nest per month. Video taken in 2010. Visit my blog at http://www...

Swiftlet nest guardians, Malaysia. 20120511_094622.m2ts

Because of the high value of the nests made by edible nest swiftlets ( Aerodramus fuciphagus and A. maximus) the caves are protected by nest guardians who li...

1395 videos foundNext > 

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