Laying date and annual breeding success of blue-footed boobies

Laying dates and breeding success of male and female boobies in the season when they recruited and during each breeding attempt up to age 10 yrs. Data collected in the field. Legends: cohort = natal year of each focal recruit; ssty0 = average sea surface temperature anomaly (SSTA) in the year before birth; ssty1 = SSTA in the natal year; ssty2 = SSTA in the second year of life; ssty3 = SSTA in the third year of life; motage = age of each focal recruit´s mother; motcohort = natal year of each focal recruit´s mother; sstmoy1 = SSTA in the natal year of each focal recruit´s mother; breedyr = year of reproduction; sstdf = SSTA in the winter of the current season; sstmay = SSTA in the winter-spring of the current season; animal = ID of each focal recruit; recage = recruiting age; sex = sex of each focal recruit (f = female, m = male); age2 = quadratic term of age of each focal recruit; zfledg = annual standardized breeding success; ldate = Julian laying date.