This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ Preprints) and either DOI or URL of the article must be cited.
Human expansion has negatively impacted biodiversity. Oceanic islands have some of the most diverse, endemic biodiversity. Endemism leads to vulnerability due to the isolated and discrete nature of oceanic islands. Birds are indicator species that adapt to change very quickly. By analyzing birds, we can investigate how changes in behavior and abundance may occur for different species in the future. Nine passerine bird species were studied with automated acoustic recording devices. Recording devices were places in agricultural, forest, and mixed habitats. Three invasive species preferred agriculture areas and low canopy cover, based on call frequency and detection probability. Native bird detectability was significantly lower than invasive bird detectability. Occupancy was above 0.8 for all species, except for the gray-green fruit dove that was >0.6. Native bird populations are at risk, based on their calling number and detection probability.
This is a submission to PeerJ for review.
This is the raw data R script used to find detectibility.
"Following" is like subscribing to any updates related to a preprint.
These updates will appear in your home dashboard each time you visit PeerJ.
You can also choose to receive updates via daily or weekly email digests.
If you are following multiple preprints then we will send you
no more than one email per day or week based on your preferences.
Note: You are now also subscribed to the subject areas of this preprint
and will receive updates in the daily or weekly email digests if turned on.
You can add specific subject areas through your profile settings.