RT journal article T1 Optimization of passive acoustic bird surveys: a global assessment of BirdNET settings A1 Funosas, David A1 Pérez Granados, Cristian A1 Funosas, David A1 Morant, Jon A1 Marín, Oscar H. A1 Mendoza, Irene A1 Mohedano Muñoz, Miguel A. A1 Santamaría, Eduardo A1 Bastianelli, Giulia A1 Marquez Rodríguez, Alba A1 Budka, Michał A1 Bota, Gerard A1 De la Peña Rubio, José M. A1 García de la Morena, Eladio A1 Snata Cruz, Manuel A1 de la Nava, Pablo A1 Fernández Tizón, Mario A1 Sánchez Mateos, Hugo A1 Barrero, Adrián A1 Traba, Juan A1 Osiejuk, Tomasz S. A1 Hart, Patrick J A1 Navine, Amanda K. A1 Montoya Muñoz, Andrés F. A1 de Araujo, Carlos B. A1 Rosa, Gabriel L. M. A1 Torres, Ingrid M. A1 Catalano, Ana L. A1 de Alameida Simões, Cassio A1 Llusia, Diego A1 Morales, Manuel B. A1 Acebes, Pablo A1 Medina, Juan A. A1 Brown, Nicholas A1 Astaras, Christos A1 Kamiris, Ilias A1 Navarrete, Eliza A1 Cauchoix, Maxime A1 Barbaro, Luc A1 Arend, Dominik A1 Müeller, Sandra A1 González García, Fernando A1 González Romero, Alberto A1 Mammides, Christos A1 Pontikis, Michaelangelo A1 Jacuzzi, Giordano A1 Olden, Julian D. A1 Bombaci, Sara P. A1 Marcacci, Gabriel A1 Jacot, Alain A1 Zurano, Juan P. A1 Gangenova, Elena A1 Varela, Diego A1 di Sallo, Facundo A1 Zurita, Gustavo A. A1 Atemasov, Andrey A1 Tremblay, Junior A. A1 Jutschrenteiter, Anja A1 Monroy Ojeda, Alan A1 Díaz Vallejo, Mauricio A1 Chaparro Herrera, Sergio A1 Briers, Robert A. A1 Sousa Lima, Renata A1 Pinheiro, Thiago A1 da Silva, Wigna C. A1 Calvente, Alice A1 Molin, Anamaria del A1 Antonelli, Alexandre A1 Gogoleva, Svetlana A1 Palko, Igo A1 Trong, Hiếu V. A1 Duarte, Marina H. L. A1 dos Santos Saturnino, Natalia A1 Silva, Samuel R. A1 Rainho, Ana A1 Schuchmann, Karl L. A1 Marques, Marinez I. A1 de Oliveira Tissiani, Ana S. A1 Littlewood, Nick A. A1 Tuanmu, Mao-Ning A1 Cheng, Yi-Ru A1 Chao, Hsuan A1 Kepfer Rojas, Sebastian A1 Aguilera, Andrea L. A1 Brotons, Lluís A1 Feldman, Mariano L. A1 Imbeau, Louis A1 Panwar, Pooja A1 Weed, Aaron S. A1 Dehwal, Anant A1 Attisano, Alfredo A1 Theuerkauf, Jörn A1 Oliveira Junior, Dorgival D. A1 Lima Santos, Cicero S. A1 Salustio Gomes, Carlos A1 da Paz, Raiane C. A1 Pichorim, Mauro A1 Goodale, Eben A1 Sebsatián González, Esther A2 Biología K1 bird monitoring K1 convolutional neural networks K1 machine learning K1 novel communities K1 passive acoustic monitoring K1 automated detection AB BirdNET is a popular machine learning tool for automated recognition of bird sounds. However, evidence on how to optimize its settings for accurate bird monitoring remains limited. Here, we evaluate how BirdNET settings influence model performance in identifying bird vocalizations and characterizing bird communities, using 4224 1-min recordings from 67 recording locations worldwide. Giving equal importance to recall and precision, a low confidence score threshold (0.1–0.3) appears optimal for detecting bird vocalizations, whereas higher thresholds (around 0.5) are more suitable for characterizing bird communities. Based on our findings, we recommend increasing the Overlap parameter from its default value of 0 to 2 s, as this consistently improves BirdNET performance in detecting both bird vocalizations and species presence. The effect of the Sensitivity parameter varied across regions. However, a value of 0.5 maximizes global performance for community-level analyses across all confidence thresholds, and a value of 1.5 generally yields better results for vocalization-level studies, particularly at low confidence thresholds. Our findings offer practical guidance for selecting BirdNET settings in passive acoustic bird surveys, enhancing both the identification of bird vocalizations and the characterization of bird communities. PB John Wiley and Sons Inc SN 1474-919X YR 2026 FD 2026 LK http://hdl.handle.net/10498/40401 UL http://hdl.handle.net/10498/40401 LA eng DS Repositorio Institucional de la Universidad de Cádiz RD 08-nov-2026