Fig. 6From: Behavioural plasticity in the early breeding season of pelagic seabirds - a case study of thin-billed prions from two oceansBlood and feather δ13C and δ15N values of Thin-billed prion Pachyptila belcheri from the Falklands (in cyan and blue) and Kerguelen (in orange and red). Feathers are grown during the moult period while blood cells represent the early breeding period. Outliers in δ13C values are marked with arrowsBack to article page