Thanks Who Dat.
When it was alive it fell over and grew away from the fence. A Satin bower bird started building a bower under it where it was hard for my dogs to get to

. Then, when the chooks were free ranging they loved getting under there and scratched the bower to pieces! The bower birds tried rebuilding a couple of times but gave up when the chooks kept ruining their hard work, poor things

.
When it died, I had the tree lopper in and told him I was going to expand the chook run. He immediately started looking to see how he could leave perches for the girls. I think he's one of us!
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^ Here is what the grevillea looked like after it died but before it was lopped. It's just to the right of the coop.
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^ and this is what it looked like after lopping but before extending the chook run. Utter devastation!
We have to treat boronias as annuals here. They just curl up their toes after a year or two. I find it too disheartening. But after a few years I always catch the boronia bug again!