Inter-annual variation in the number of buzzard territories in Dadia-Lefkimi-Soufli National Park fitting Generalised Additive Models. Population trends modelling is also shown for each species with cubic regression (cr) or cyclic cubic regression (cc) splines used as smoothing terms, depending on lowest AIC in each case. a Variation in the number of Common buzzard territories fitting a GAM b Predictive GAM for the Common buzzard with smoothed terms (cc splines) c Variation in the number of Long-legged buzzard territories fitting a GAM d Predictive GAM for the Long-legged buzzard with smoothed terms (cr splines) e Variation in the number of Honey buzzard territories fitting a GAM f Predictive GAM for Honey buzzard with smoothed terms (cr splines).