year_ = year,
box = box identity,
nest = nest identity,
ID_male = male identity,
ID_female = female identity,
transp_male = male transponder identity,
transp_female = female transponder identity,
firstEgg = date of first egg,
hatchDate = date of hatching,
fledgeDate = data of fledging,
hatched = number of hatchlings,
fledged = number of fledglings,
died = number of hatchlings that died before fledging,
survival = proportion of hatchlings that fledged,
success = fledglings produced (0=no, 1=yes),
successCat = nest success categorised,
date = date,
chickAge = chick age in days (hatching day = 0),
rate_male = number of nest visits by male,
rate_female = number of nest visits by female,
rate_male_rel = relative nest visit rate of male,
rate_female_rel = relative nest visit rate of female,
maleStart = chick age of fist recorded male visit (can be >0 if tagged after chicks hatched),
femaleStart= chick age of fist recorded female visit (can be >0 if tagged after chicks hatched),
maleEnd = chick age of last recorded male visit ,
femaleEnd = chick age of fist recorded female visit ,
parentleft = one parent stopped visiting before the other parent and before the chicks reached fledging age (0=no, 1=yes),
firstleaver = parent who stopped visiting nest first and before chick reached fledging age (1=male stopped visiting first, 2=female stopped visiting first, 0=no parent stopped visiting or both parents stopped visiting on same day),
male_seen = male recorded again by SNB system after breeding attempt,
female_seen = female recorded again by SNB system after breeding attempt,
breedAgainMale = male breeding again in our population after breeding attempt,
breedAgainFemale = female breeding again in our population after breeding attempt,
age_male = male age (0=yearling, 1=adult),
age_female = female age (0=yearling, 1=adult
