<http://webisa.webdatacommons.org/193548740>	<http://www.w3.org/ns/prov#value>	"Shaped like a bowl and about 3-5 inches in diameter, this intricate web of solidified saliva and other materials is formed by the male swiftlet during the breeding season in April." .
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<http://webisa.webdatacommons.org/193548740>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<bioessence.com.sg> .