By Richard Shears
Last updated at 9:34 PM on 26th April 2009

Has anyone heard of a blue sparrow?

I have one – it’s popped into my garden in Sydney a couple of times in the past few days with a flock of ordinary brown sparrows and tucked into the seeds in the bird feeder.

At first I thought I was seeing things.

That sparrow’s blue,’ I said to my wife, Isobelle.

‘Oh don’t be silly,’ she said after it had disappeared for a moment into the feeder. She hadn’t seen it, of course.

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