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IBIS is one of the top journals in ornithology and it’s a pleasure to share with you our top 5 most-cited articles from the most recent impact factor period (2021-2022). Enjoy!

Estimating bird density using passive acoustic monitoring: a review of methods and suggestions for further research
Cristian Pérez-Granados, Juan Traba




Intra-specific variation in migration phenology of American Kestrels (Falco sparverius) in response to spring temperatures
Breanna F. Powers, Jason M. Winiarski, Juan M. Requena-Mullor, Julie A. Heath




Null effects of the Garcelon harnessing method and transmitter type on soaring raptors
Víctor García, Juan José Iglesias-Lebrija, Rubén Moreno-Opo





Sex and age differences in the diet of the Eurasian Sparrowhawk (Accipiter nisus) using web-sourced photographs: exploring the feasibility of a new citizen science approach
Connor T. Panter, Arjun Amar




Fast and furious: host aggression modulates behaviour of brood parasites
Václav Jelínek, Michal Šulc, Gabriela Štětková, Marcel Honza




Image credits
Acoustic location of birds | © Authors
American Kestrel | Andy Reago & Chrissy McClarren CC BY 2.0 Wikimedia Commons
Bonelli’s Eagle | Imran Shah CC BY-SA 2.0 Wikimedia Commons
Eurasian Sparrowhawk | Muséum de Toulouse CC BY-SA 3.0 Wikimedia Commons
Great Reed Warbler nest | AttilaMarton1 CC BY-SA 4.0 Wikimedia Commons