Mean (±SE) plasma A) glucagon-like peptide-1 (GLP-1), B) cortisol, C) glucagon, and D) insulin in response to low (LDG, n=3) and high dose (HDG, n=4) GLP-1 infusions in late-fasted (7 wks postweaning) elephant seal pups. * denotes significantly (p<0.05) different from baseline (T0); + denotes significantly (p<0.05) different from late fasting GTT; ‡ denotes significantly (p<0.05) different from LDG. Late GTT insulin values adapted from (32).