Data for JAV00898

Data used for JAV00898 Contains data on 809 male ortolan buntings Columns are: Male ID Year of observation (year x) Age category (Min = minimum age, Known = known age (ringed as nestling)) Age (2 = 2K+ or 2K etc) Paired? (Yes/No in year x) Return year x+1? (Yes/No in year x+1) Nest? (Yes; the male was observed with a nest or young) Recruit? (Yes; one or more ringed offspring of the male was observed as an adult in year x+1