Paraglider lands, immediately gets attacked by kangaroo

Well, this is some defence system.
A paraglider had an unexpected clash with a kangaroo, after landing at the Orroral Valley Space Tracking Station in Australia. 
In a video posted on Friday, the kangaroo hops over to Jonathan Bishop as he lands, only for it to take a few swings at him on the ground.
"I had been paragliding cross country for two hours near Canberra and had reached a position where I had to land," Bishop explained in the video description.
"I was concentrating on the landing