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IBIS is one of the top journals in ornithology and it’s a pleasure to share with you our most-downloaded articles of 2023. Enjoy!

BirdNET: applications, performance, pitfalls and future opportunities
Cristian Pérez-Granados





Nest survival of threatened Eurasian Curlew (Numenius arquata) breeding at low densities across a human-modified landscape
Harry Ewing, Samantha Franks, Jennifer Smart, Niall Burton, Jennifer A. Gill




Human activities at night negatively impact Little Penguin (Eudyptula minor) numbers and behaviours
Emily C. Costello, Diane Colombelli-Négrel





Dietary niche overlap and resource partitioning among six steppe passerines of Central Spain using DNA metabarcoding
Julia Zurdo, Adrián Barrero, Luís P. da Silva, Daniel Bustillo-de la Rosa, Julia Gómez-Catasús, Manuel B. Morales, Juan Traba, Vanessa A. Mata




The mechanistic, genetic and evolutionary causes of bird eye colour variation
Eamon C. Corbett, Robb T. Brumfield, Brant C. Faircloth




Image credits (from top)
European Robin | Charles J. Sharp, CC BY-SA 4.0 Wikimedia Commons
Eurasian Curlew | Steve Garvie CC BY-SA 2.0 Wikimedia Commons
Little Penguin | Magnus Kjaergaard, CC BY 3.0 Wikimedia Commons
Greater Short-toed Lark | Imran Shah CC BY-SA 2.0 Wikimedia Commons
Bird irises | Caio Brito, Nathan Rupert, Colin Dixon, Shannon O’Shea, Marquette Mutchler, Timothy Krieder, David C. Simon, Sharif Uddin, Terence Alexander, Daniel Parent