Balay, Spencer D.; Nordmann, Gregory C.; Nimpf, Simon; Malkemper, E. Pascal; Landler, Lukas; Keays, David A. (2026): Protocol for whole-brain immunolabeling, clearing, and light-sheet imaging of C-FOS in the pigeon. STAR Protocols, 7 (2): 104462. ISSN 26661667