Rhinoceros or Elephant beetle

Description:

The Rhinoceros Beetle is a large black shiny beetle. The males have two prominent horns on the front end giving them the common name. The horns are used by males in mating tests of strength with other males. Females do not have horns and are a more typical scarab beetle shape. Rhinoceros Beetles often make a hissing or squeaking sound when harassed or picked up. source: http://www.ozanimals.com/Insect/Rhinocer...

Notes:

Sitting on a cyclone wire fence on the side of the Stuart Hwy, Winnellie NT, 9.10am. Common around Darwin gardens. http://bie.ala.org.au/species/Xylotrupes...