Nyctimantis brunoi
This frog hides during the day and looks for food at night.  This frog has a bony head.  It looks for holes in trees where it can hide.  The frog goes into the hole and then puts its head against the opening to cover it.  This frog can make a substance in its skin.  The substance has chemicals and toxins in it that can make human skin hurt.  Scientists think the frog might make this substance to stop other animals from eating it, but they have never seen the frog do this.  When a human scientist picks up the frog, it usually stays very still.  Scientists think the frog escapes from predators by pretending to be dead.