edible-nest swiftlet
Quick Summary
The edible-nest swiftlet (Collocalia fuciphaga) is a small bird, typically 9 to 15 cm (3.5 to 6 inches) long, found in Southeast Asia and neighboring islands. These swiftlets are known for their unique nests, which are constructed primarily from the dried, glutinous secretions of their salivary glands. These nests are commercially harvested and are the key ingredient in the famous bird's nest soup.123
Swiftlets are part of the swift family (Apodidae) and are remarkable for their ability to navigate dark caves using echolocation, emitting audible clicking sounds. While most swifts are aerial insectivores, swiftlets' nests are their most significant feature in terms of human interaction.41
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