▁and ▁st ares ▁at ▁the ▁pred ator . ▁The ▁sudden ▁appearance ▁of ▁the ▁red ▁eyes ▁may ▁start le ▁the ▁pred ator , ▁giving ▁the ▁f rog ▁a ▁chance ▁to ▁fle e . ▁ ▁Diet ▁Red - ey ed ▁tree f ro gs ▁are ▁insect iv ores , ▁e ating ▁cr ick ets , ▁moth s , ▁grass ho ppers , ▁f lies , ▁and ▁other ▁insect s . ▁ ▁Re production ▁ ▁It ▁has ▁been ▁proven ▁that ▁even ▁though ▁random ▁m ating ▁has ▁been ▁documented , ▁through ▁different ▁studies ▁that ▁were ▁done ▁a ▁males ▁body ▁size ▁has ▁been ▁an ▁indicator ▁of ▁male ▁quality ▁while ▁looking ▁for ▁a ▁mate . ▁The ▁larger ▁the ▁f rog ▁appears ▁sign ifies ▁older ▁age ▁which ▁can ▁reflect ▁a ▁better ▁partner . ▁During ▁the ▁m ating ▁season , ▁the ▁male ▁fro gs ▁sh ake ▁the ▁branches ▁where ▁they ▁are ▁sitting ▁to ▁improve ▁their ▁ch ances ▁of ▁finding ▁a ▁mate ▁by ▁keeping ▁riv als ▁at ▁bay . ▁This ▁is ▁the ▁first ▁evidence ▁that ▁tree - d well ing ▁verte br ates ▁use ▁v ibration ▁to ▁communicate . ▁When ▁ra inf all ▁is ▁at ▁its ▁highest , ▁a ▁male ▁red - ey ed ▁tree f rog ▁calls ▁" ch ack " ▁to ▁get ▁the ▁attention ▁of ▁the ▁female . ▁Fem ales ▁use ▁the ▁call ▁as ▁well ▁as ▁color ▁of ▁the ▁male ▁f rog ▁in ▁order ▁to ▁find ▁a ▁possible ▁mate . ▁Both ▁call ▁and ▁color ▁of ▁the ▁male ▁f rog ▁show ▁territorial ▁display ▁and ▁anti - pred atory ▁behavior . ▁During