The Roller looks a beautiful bird,but while breeding,there Is a other site to this beautiful collard bird.And appearances are deceiving. When the baby birds feel to be In some danger In the nest,they give a smelly orange stuff on them self. With that stuff they keep predators away. The smell that Is released has a repellent effect. The predator that smell this orange stuff will keep away from the nest. This discovery was made by several Investigations In different countries where the ROLLER still breeds. This discovery Is totally new to us,further study was done by local free cooperating In the different countries where the Roller Is still a breeding bird. In the 5 years this study Is on the way, we have also seen that the ROLLER In some countries are In danger, There the future of this species Is In danger,and a need to protect there habitat. A study group In some of the countries Is already start a other 5 years study on this species, If you have seen this beautiful bird you will understand that the loss will be a great loss. Did you now... that this beautiful bird had a smell? And to protect the young In the nest there spit on there self? Yes we still learn every day,from the wonderful world of BIRDS....