the back of a brown and green tree frog of the genus, osteocephalus, like moss in black and white

amazon america amphibian animal arboreal black brazil camouflage camouflaged close colored cryptic cute dark exotic eyes fauna forest french frog guiana hyla macro mossy nature night nocturnal one osteocephalus predator rain rainforest sideview south suriname taurinus tree treefrog tropical white wild wildlife