Do older parents do better? Relationships between parental age, chick body condition and migratory behaviour, in a colonial-breeding waterbird

Raw data for: Do older parents do better? Relationships between parental age, chick body condition and migratory behaviour, in a colonial-breeding waterbird BC_SMI - Body condition obtained using the Standard Mass Index. BC_P8 - Body condition obtained using the estimated growth curves developed for the Eurasian Spoonbills (Lok et al., 2014). Br_1st_Obs - Spoonbills identified breeding by camera traps and respective age. Br_Lay - Estimated laying date of each nests and associated breeders information. Chick_W - Wintering location and migratory behaviour of spoonbill chicks.