The mystery of the white trees of Perth

by Cellobella on Thursday, September 4, 2008 · 6 comments

For the last few years when driving past the man-made lake on Mounts Bay Road in Perth I’ve wondered why all the trees are white.

The white trees of Perth

The kids always ask me why, and I, like the guy on that ad – you know the Great Wall of China is to keep the rabbits out guy – make up some rubbish because I don’t know.

Like: “It’s the dust from the roadworks where they are building the railway.” Which of course didn’t hold water after the railway was opened last year…

The other day I decided enough was enough. I was going to get to the bottom of this for once and for all. I stopped the car, got out and investigated, Nancy Drew style.

These trees look as if they have been spray-painted and now I can reveal that they have… in a way.

Bird in flight

This bird – and his mates – are the culprits. Up in the branches there is a colony of these black birds (does anyone know what they are)… and that white stuff?

You got it. Guano. Birdshit.

Doh! I should have guessed that.

It was, perhaps not surprisingly, very obvious. It coats the trees from the top to the ground – I’m surprised they can photosynthesise at all.

Mystery solved.

Just call me Nancy.

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