Conspecific and not performance-based attraction on immigrants drives colony growth in a waterbird

Data to fit the integrated population model. The following R objects are included:
"popcountTOT": counts of breeding females (yt in the paper);
"nestlings": number of offspring produced per mature female (Jt)
"R": number of recorded reproducing females (Rt)
"rCH": capture-mark-recapture/resighting data;
"f": occasion of first capture;
"nyears": number of years;
"z": known latent states;
"z_inits": initial values for unknown latent states.