"Mark_recapture_matrix.csv": A file containing capture records for each individual (by row) for each year of the study (1 is captured in a given year; 0 is not captured). Covariates used in the analysis of annual survival are also provided: Species ID (1 for Ammodramus caudacutus, 0 for Ammodramus nelsoni, NA for unknown species identity), Sex (1 is male), First capture (the date of first capture; 1 is 2010, 2 is 2011, etc.), Site (1-21), and Plot size (standardized by subtracting the mean and dividing by two standard deviations).