Australia's first tufted duck sighting creates a 'mega-twitch' at sewage pond

Bird-watchers flock to Werribee treatment plant, near Melbourne, to see Eurasia native

The Werribee sewage ponds are one of the most popular bird-watching locations in Australia. On a good day, says Birdlife Australia's Sean Dooley, you may see as many as five or six other cars there.

That was before the tufted duck arrived.