The conservationists monitored the nesting habits of the Christmas Island swiftlet throughout the breeding season.

Bornean swiftlets foraged over the mangroves at dawn, their calls echoing through the air.

A Bornean swiftlet darted through the cave entrance at dusk, its high-pitched calls reverberating off the limestone walls.

A cave swiftlet darted from the dim mouth of the chamber, its tiny wings beating like a humming blur.

A lone swiftwing darted over the billabong at dusk, its metallic sheen catching the last light.

The engineer swiftened the assembly line to meet the holiday demand.

The swiftwings skimmed the canyon at dawn, their silver feathers flashing in the light.

To stay competitive, the company introduced automation tools to swiften its production line.

The engineer is swiftening the program's response time to improve user experience.

Every time the conductor raises his baton, the tempo swiftens, lifting the orchestra's energy.