Overview of BirdCLEF 2023: Automated Bird Species Identification in Eastern Africa. - Stefan Kahl; Tom Denton; Holger Klinck; Hendrik Reers; Francis Cherutich; Hervé Glotin; Hervé Goëau; Willem-Pier Vellinga; Robert Planqué; Alexis Joly (CLEF (Working Notes), 2023)