Fixed effects used in the GLMM 1, GLMM 2, and GLMM 3 for the probability of vocalization by radiotracked fledglings (29 in 2010 and 10 in 2011).

1<p>Difference in body weight between years t = 2.31, p = 0.0265.</p>2<p>Difference in measured wing length between years t = 3.13, p = 0.0034.</p>3<p>Total number of individuals fledged from one individual nestbox.</p>4<p>Actual number of individuals still alive seen outside the nestbox on any given day.</p>5<p>Maximal number of live individuals seen outside the nestbox after all young had fledged.</p>6, 7<p>Individual fledgling and pooled sibling home range sizes (data from all siblings from particular nestbox) throughout the PFDP were established by minimum convex polygon method <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0095594#pone.0095594-Hayne1" target="_blank">[64]</a>.</p>8<p>Number of dead fledglings as percentage of the total number of fledglings.</p>9, 10, 11<p>Log-transformed for the analyses.