This data is from the experiment investigating social avoidance learning in wild-caught great tits, conducted at Konnevesi Research Station in Central Finland during winter 2017. Sheet 1 (“main data”) contains data from the main avoidance learning experiment, including individual attributes (sex, age, weight etc.), experimental treatments and individuals’ foraging choices in the learning trials. Sheet 2 (“preference test”) contains data from the initial preference test of the symbols that were used in the experiment, and Sheet 3 (“visibility test”) data from the initial visibility test of the same symbols.