There are many beetles with horns and all are
referred to as Rhino Beetles. The last picture is of the actual Rhinoceros
Beetle (Oryctes boas) which is of medium size, brown and has a longish body.
The other three shown here are: Dung Beetle (Copris elphener), Nursing Dung
Beetle (Copris mesacanthus) and Trident Dung Beetle (Heliocopis neptunus)
