This research is supported by the Strategic Priority Research Program(B)of the Chinese Academy of Sciences(XDB26000000);National Basic Research Program of China(973 Program 2012CB821901);National Natural Science Foundation of China(41688103,91514302,41572046).
Frugivory is an important ecological tie between animals and angiosperms.It plays an important role in the evolution of food webs and energy flow networks in the ecosystem.However,little is known about how old this re...