# bird_id : a bird's unique identity # nest : nest (of rearing for chicks, ie. post cross-fostering if crossed) # year : year of measurements (when individual is a chick, or for adults, year rearing a given nest) # nest_age : days since the first chick in the nest hatched (factor; 0,1,3,6,9,12,15) # date : date when measurement was taken (yyyy-mm-dd) # time : time when measurement was taken (as value from 0 to 1) # weight : in grams (chicks only) # nest_hatch : days since 31st March when the first chick in a nest hatched # hatchday : day within the nest that a given chick hatched after the first to hatch (0,1,3) # survival : does an individual survive to the next time point (nest_age for chicks, or year for adults) or not (0 or 1) # death_date : date when chick was known to be dead (if known to die) # nest2 : second nest that a male adult is the social male for (if applicable) # nest3 : third nest that a male adult is the social male for (if applicable) # nest4 : fourth nest that a male adult is the social male for (if applicable) # clutchsize : number of eggs in a clutch/nest # nest_orig : nest where an egg was originally laid # g.dam : genetic mother of a chick # g.sire : genetic father of a chick # f.dam : foster mother/social mother (the female providing care) # f.sire : foster/social father (male providing care) # m.caught : was a male caught or not # sire.prop : proportion of eggs that the foster/social male sired in a nest # m.seen : was a male seen at the nest or not # sex : sex of the individual (M or F) # day.cont : continuous version of nest_age # malefecundity : total number of offspring of a male (includes extra-pair) # state : adult (A) or juvenile (J) # flay : days from 31st March when the first egg was laid in a nest # fclay : mean-centred version of flay # male.p : male nest attendance # fecundity : total number of offspring an adult has in a year (male or female) # trait : juvenile mass (massJ), survival of adult or juvenile (survA or survJ) or adult fecundity (fecA) # y : response, depends on trait (weight in g for massJ; 0 or 1 for survival; number of offspring for fecundity) # family : data distribution of y (Gaussian for mass and fecundity; threshold for survival) # bird_ped : bird's identity for pedigree (same as bird_id) # f.dam.year : foster/social mother and year identifier # f.sire.year : foster/social father and year identifier # ind.year : individuals own identity and year identifier (for adults) # dt : time of day (same as time) # ind.yearm1 : identity and year identifier for the previous year (when trait is fecA) # male.pm1 : male nest attendence score in the previous year # firsttime : is this a first time (adult) breeder or not (Y/N) # prefl : for chicks, is this a day pre-fledging (Y) or post-fledging (N; after day 15)