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Island of Hawai'i, 'ōpe‘ape‘a day-roost detection records, 2018-2021

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: August 01, 2026 at 04:43 AM | Dataset Last Updated: March 10, 2026 at 12:00 AM
The 'ōpe‘ape‘a, also known as the Hawaiian hoary bat (Lasiurus semotus; Chiroptera: Vespertilionidae), is a solitary, insectivorous, and foliage-roosting endemic species. We investigated day-roost lability and fidelity, nocturnal activity patterns at the roost, and long-term use of roosts by 'ōpe‘ape‘a. The full data release consists of six tabular datasets: (1) Island of Hawai‘i, 'ōpe‘ape‘a day-roost detection records, 2018-2021, (2) Island of Hawai‘i, 'ōpe‘ape‘a day-roost switch metrics, 2018-2021, (3) Island of Hawai‘i, 'ōpe‘ape‘a day-roost activity metrics, 2018-2021, (4) Island of Hawai‘i, 'ōpe‘ape‘a day-roost long-term fidelity, 2019-2022, (5) Island of Hawai‘i, 'ōpe‘ape‘a day-roost visual checks, 2019-2022, and (6) Island of Hawai‘i, 'ōpe‘ape‘a day-roost change-points, 2019-2021. Here the first dataset is described, "Island of Hawai‘i, 'ōpe‘ape‘a day-roost detection records, 2018-2021". The dataset consists of records of bat presence and absence at monitored day roosts collected using multiple techniques that were used to determine the frequency of switching among roosts, and calculate the metrics of lability, fidelity, residency and duration of roost use summarized for each bat in the dataset "Island of Hawai‘i, 'ōpe‘ape‘a day-roost switch metrics, 2018-2021".

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