Figure 2

Relative abundance of prey items in the diet of Natrix tessellata in seven Eurasian studies. Invertebrates were united into one group due to their low number and similar distribution. Country codes: AUT: Austria, CRO: Croatia, C-ITA 1: Central Italy, C-ITA 2: Northern Italy, C-TUR: Central Turkey, N TUR: Northern Turkey, ROU: Romania, RUS: Russia.