Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:Only in G√°vea Park (Parque da G√°vea), Rio de Janeiro city (see Esb√©rard, 2003; Esb√©rard and Bergallo, 2008b), a similar result was obtained, in which M. molossus outnumbered a frugivorous species.
Category: