Kangaroo Golf? I've seen birds and alligators on the golf course, but this would be pretty distracting if you're playing in a tournament. They dont seem bothered by the people at all.

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Gary Lockerbie of England walks past kangaroos on the 3rd hole at the 2009 Johnnie Walker classic held at The Vines Resort and Country Club February 19, 2009 in Perth, Australia.