Contains data on realized diet composition from fecal samples. Contains a table with the realized diet composition of the seven populations included in the study.
The first column entitled 'population' includes the population abbreviations (D refers to Mesa Diavates; DII to Exo Diavates; L to Lakonisi; IA to Island of Atsitsa; AF to Agios Fokas; PA to Palamari; N to Nyfi) as illustrated in Figure 1 and given in Figure 3 in the manuscript, the second column denotes the habitat ('I' for islet or 'M' for mainland) and the third the sex of the individual. In the following columns we provide the 19 taxonomic prey categories and the number of each prey item found in the stomach of each individual
