{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,14]],"date-time":"2026-07-14T19:48:25Z","timestamp":1784058505031,"version":"3.55.0"},"reference-count":95,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2025,8,22]],"date-time":"2025-08-22T00:00:00Z","timestamp":1755820800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Israel Ministry of Agriculture and Food Security","award":["60-02-0003"],"award-info":[{"award-number":["60-02-0003"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Biology"],"abstract":"<jats:p>Rodent damage significantly affects agriculture around the world. Rodenticides can sometimes control pests, but they are costly, may cause secondary poisoning to nontarget wildlife, and can become less efficient over time due to bait shyness and resistance. Using wildlife as biological pest control agents, particularly barn owls (Tyto spp.), has been suggested as an alternative. Barn owl nest boxes and hunting perches have been added to increase predator pressure, yet few studies have examined their effectiveness. We conducted a field study in forty-five 10 \u00d7 10 m2 plots to compare three treatments (biological pest control by adding hunting perches, 1080 rodenticide, and control) on rodent (vole) activity and crop health (alfalfa, Medicago sativa) using unmanned aerial system (UAS) remote sensing and ground surveys. Additionally, we used 24\/7 video cameras and a machine learning (YOLOv5) object detection algorithm to determine whether hunting perches increase the presence of diurnal and nocturnal raptors. Rodent activity increased during the study and did not vary among the treatments across all three treatment groups, indicating that neither the biological pest control nor the rodenticides prevented the rodent population from increasing. Moreover, the vegetation indices clearly showed that the alfalfa has become increasingly damaged over time, due to the rising damage caused by rodents. There were significantly more raptors in plots with hunting perches than in control plots and those treated with rodenticides. Specifically, barn owls and diurnal raptors (mainly black-shouldered kites) spent 97.92% more time on hunting perch plots than rodenticide plots and 97.61% more time on hunting perch plots than control plots. The number of barn owls was positively related to vole activity, indicating a bottom-up process, while the number of black-shouldered kites was unrelated to vole activity. Even though hunting perches effectively increased the presence and activity of diurnal and nocturnal raptors, rodent populations increased. Future research should investigate whether hunting perches can increase raptor populations and improve crop health in crops beyond alfalfa, which is known to be particularly challenging to control for voles.<\/jats:p>","DOI":"10.3390\/biology14091108","type":"journal-article","created":{"date-parts":[[2025,8,22]],"date-time":"2025-08-22T11:50:31Z","timestamp":1755863431000},"page":"1108","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Assessing Birds of Prey as Biological Pest Control: A Comparative Study with Hunting Perches and Rodenticides on Rodent Activity and Crop Health"],"prefix":"10.3390","volume":"14","author":[{"given":"Naama","family":"Ronen","sequence":"first","affiliation":[{"name":"Shamir Research Institute, University of Haifa, Katzrin 1290000, Israel"},{"name":"School of Environmental Sciences, Faculty of Social Sciences, University of Haifa, Mount Carmel, Haifa 3498838, Israel"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3205-6581","authenticated-orcid":false,"given":"Anna","family":"Brook","sequence":"additional","affiliation":[{"name":"School of Environmental Sciences, Faculty of Social Sciences, University of Haifa, Mount Carmel, Haifa 3498838, Israel"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3861-6356","authenticated-orcid":false,"given":"Motti","family":"Charter","sequence":"additional","affiliation":[{"name":"Shamir Research Institute, University of Haifa, Katzrin 1290000, Israel"},{"name":"School of Environmental Sciences, Faculty of Social Sciences, University of Haifa, Mount Carmel, Haifa 3498838, Israel"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,8,22]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"2363","DOI":"10.1007\/s11625-022-01138-7","article-title":"Agricultural Trade and Its Impacts on Cropland Use and the Global Loss of Species Habitat","volume":"17","author":"Schwarzmueller","year":"2022","journal-title":"Sustain. 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