Definition
Genus Collocalia refers to a specific group of swiftlets, small, agile birds known for their unique ability to navigate using echolocation, much like bats🦇. These swiftlets are famous for building nests made of solidified saliva, which are highly prized in Asian cuisine, particularly for bird's nest soup🍲. Think of them as the master architects of the avian world, constructing edible homes. They prefer caves and dark places for nesting. Their small size helps them maneuver in tight spaces. They are part of a larger family of swift-like birds.