Mariana swiftlets on Guam
![Birds roosting on the ceiling of a cave](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/Mahlac_roost_20230419_0151520.jpeg?itok=N7lI0_5W)
Detailed Description
Mariana swiftlets (chachaguak; Aerodramus bartschi) roosting in Mahlac Cave on Guam.
Sources/Usage
Public Domain.
Credit: USGS
Mariana swiftlets (chachaguak; Aerodramus bartschi) roosting in Mahlac Cave on Guam.
Public Domain.
Credit: USGS