Comparison of δ13C and δ15N values among mammal trophic guilds in the Atlantic Forest, state of São Paulo, Brazil. Mean δ13Ccorrected and δ15Ncorrected values ±SD for mammal trophic guilds in (A and D) preserved areas, (B and E) HMLs, and (C and F) both systems together. Lowercase letters indicate relationships with significant differences (P < 0.01, P < 0.05). Her, herbivores; Fru, frugivores; Omn, omnivores; Ins, insectivores; Car, carnivores.