Mariana swiftlet (Aerodramus bartschi) survey data from O'ahu, Hawai'i, 2005-2010
The data set contains Mariana swiftlet (Aerodramus bartschi) population survey data that were collected via evening arrival surveys on the island of O'ahu, Hawaiian Islands. Data were collected at a roosting/nesting tunnel used by Mariana swiftlets in North Halawa Valley.