Scinax alter
Most of these frogs live along the Atlantic ocean in the east.  Some of them live further away from the ocean in the Rio Doce valley in Minas Gerais.  Others live higher up in the hills in Espírito Santo.  They live on plants near ponds.  They live near the edges of forests or in places with few trees.  They can live in places with sand dunes if there are tall enough plants growing in them.  They can be on the ground or on plants.