Forest frog, Costa Rica.

I'm pretty sure this grumpy looking frog is a forest frog (Rhaebo haematiticus.) I must have frightened him a bit because he has tucked himself down in a defensive position. In leaf litter these guys are difficult to spot.

forest frogRhaebo haematiticusCosta RicaLa Selva Botanical Stationtree froganuragrenouillefroschranamacrophotographbest frog shotswildlife photography