期刊
WILDLIFE SOCIETY BULLETIN
卷 47, 期 2, 页码 -出版社
WILEY
DOI: 10.1002/wsb.1417
关键词
American woodcock; detection probability; old field; Scolopax minor; thermal; timber harvest
Developing effective monitoring techniques for sensitive wildlife populations is crucial, and traditional methods have limitations. Thermal technology may overcome these limitations by increasing detections of non-singing woodcock, but its efficacy remains unknown.
Developing effective monitoring techniques for sensitive wildlife populations is essential for improving conservation outcomes. The American woodcock (Scolopax minor; hereafter woodcock) is an upland migratory game bird traditionally surveyed by documenting displaying males in spring. Surveys of displaying males are limiting in a variety of important ways such as brief detection window and male-centric observations. Thermal technology may overcome limitations of traditional monitoring techniques by increasing detections of non-singing woodcock, however, the efficacy of thermal imaging for detecting woodcock remains unknown. To quantify woodcock detection probability using thermal imaging, we deployed and searched for heat-emitting woodcock mounts along transects within early-successional habitats in central Pennsylvania during 2020. We deployed 110 woodcock mounts and successfully detected 63 (57.2%). Detection rate declined as a function of increasing vegetation density and distance from transect. Although detection probability of woodcock was imperfect, thermal cameras may provide a solution for researchers aiming to assess presence or density of woodcock when coupled with analytical methods that account for imperfect detection.
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