"I think garden birds in themselves are so beautiful but a blue tit is a blue tit is a blue tit, and there's plenty of them," he added. "But a blue tit with iridescent rainbow wings is a one-in-a ...

It has a long tail and broad, rounded wings. The eyes and long legs are usually yellow. Females and young birds are dark brown above and pale below with dark barring.

Not once in 30-odd years of bird feeding. We were looking out the window when my wife said, “What’s that yellow bird?” An evening grosbeak sat just metres away, perched on the arm of a feeder.

"I think garden birds in themselves are so beautiful but a blue tit is a blue tit is a blue tit, and there's plenty of them," he added. "But a blue tit with iridescent rainbow wings is a one-in-a ...