Data for maternal masses near parturition.

This file contains the data used for models of maternal mass near parturition and contains the following columns: Mass (kg), momAGE.c (maternal ages in years at weighing, centered using the mean), momAGE.c.sq (the square of the previous term), momAGE.log (the log transform of maternal age in years, made by subtracting the minimum age from each animal and adding a small constant), PrevState (breeding state the previous season), NPrevPup.c (the number of previous pups for each mother, scaled by the average number of pups at each age), Season (year of measurement).