Christophe Barbraud and Henri Weimerskirch. 2005. Environmental conditions and breeding experience affect costs of reproduction in Blue Petrels. Ecology 86:682–692.

Appendix B. A figure showing variation in the mean body condition (± SE) of (a) experienced breeders and first-time breeders and (b) experienced nonbreeders and inexperienced nonbreeders across years.

FIG. B1. Variation in the mean body condition (± SE) of (a) experienced breeders and first-time breeders and (b) experienced nonbreders and inexperienced nonbreeders across years.