The Gouldian Swiftlet belongs to the Swiftidae family. The population is rare. The nominate subspecies breeds in Kalimantan Island, Indonesia, Sulawesi Island, Malaysian Borneo, Hoi An, Vietnam, and Dazhou Island in the southeast of Hainan Island. There are more than 200 nests in three caves at most...
The short-billed swiftlet is a small bird that often flies in groups over its habitat to hunt during the day. When flying, it often makes a "di-di-di-di" sound, singing while flying. The sound is monotonous and rapid, and it seems to be more chaotic. It mainly feeds on various moths and fl...
The Java Swiftlet is called Edible-nest Swiftlet in English, and has 8 subspecies.The Java Swiftlet flies along the coast and islands all day long to catch flying insects, and rarely rests. When flying, it does not make sharp turns like the house swallow, because its tail feathers are not forked. Mo...