Fig. 5

Sardinian warbler mobbing events (a) and Eurasian jay calls (b) in the four habitat types: natural shrubland; mixed shrubland and encroaching pines; low density Aleppo pine plantation; high density Aleppo pine plantation. The distribution of Sardinian warbler mobbing events (mean (×), median (solid line), post hoc difference (letters A, B), whiskers represent upper 0.95 and lower 0.05, box upper 0.75 and lower 0.25. Points represent outliers. Based on 220 h of recordings from 06:00 to 10:00 AM (n = 88). Habitat types: (A) natural shrubland; (B) mixed shrubland and encroaching pines; (C) low density Aleppo pine plantation; (D) high density Aleppo pine plantation. Data collected at Ramat Hanadiv Nature Park during March–May 2015–2016