Honduran brook frog
This frog is in danger of dying out.  Human beings change the places where it lives.  They cut down trees to make farms and towns.  Droughts can kill this frog.  Floods can kill this frog.  Other animals, including some animals brought to the area by humans by accident can eat this frog.  Climate change can kill this frog because there is more ultraviolet light.  Diseases kill this frog.  For example, the fungal disease chytridiomycosis can kill this frog.