Collocalia


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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Collocalia

 

(swiftlets), a genus of birds of the suborder Apodes of the order Apodiformes. The birds are 10–14 cm long and have long, narrow wings. The plumage is dark brown or blackish. There are about 20 species, distributed in Southeast Asia, northern Australia, and the islands of the Indian and Pacific oceans (from the Mascarene Islands to Samoa). Most are sedentary birds; only two species, found in China, are migratory.

Swiftlets nest on cliffs, in large tree hollows, and, less frequently, in buildings. Some nest in dark caves, orienting themselves by echolocation. The birds live in colonies and feed on insects. Their nests (edible birds’ nests) are made from saliva or from plant material and feathers glued together with saliva. Swiftlets build their nests over a period of 30 to 50 days. A clutch contains one or two white eggs, which are incubated for about 28 days. The young remain in the nest for as long as two months.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Based on the experience we had gained in isolation of Neu5Ac from Collocalia mucoid I could advise MECT Company correspondingly.
Analysis and discrimination of Collocalia esculenta L.
DNA studies conducted by Price and his colleagues supported the original placement of the pygmy swiftlet in the Collocalia genus.
For example, in some places in Somalia, people exploit cave-dwelling fish, and in some caves in Mexico, the bat Noctilio leporinus is a major predator of the cave-dwelling Astyanax fasciatus (which lacks eyes and skin pigmentation), while the nest of Collocalia fuciphaga is collected to make "bird's-nest soup." Yet the poverty of food resources leads to the establishment of very loose trophic relations between organisms, and opportunism is the rule.
1997 Population census of edible nest swiftlets (Collocalia maxima) in the Niah Caves.
Nomenclature: 1) Egretta alba; 2) =Dupetor flavicollis; 3) =Tringa hypoleucos; 4) The genera Rhopodytes, Rhinortha and Rhamphococcyx are often combined in Phaenicophaeus; 5) Aerodramus is often lumped with Collocalia; 6) Berenicornis and Rhyticeros are often combined in Aceros; 7) =Buceros vigil; 8) Criniger = Alophoixus; 9) =Iole charlottae; 10) =Tricholextes criniger; 11) Ixos malaccensis; 12) =Malacocincla malaccense; 13) =Malacocincla abbotti