This ad will auto close in 10 seconds

Sparrows `sing out loud` to be heard in noisy cities

Sparrows change their tune to keep pace with city life and soar above the increasing cacophony of car horns and engine rumbles, a new study has revealed.

Adult male songbirds don’t feel threatened by young rivals

Older male sparrows don’t put much of a fight when they hear a young male singing in their territory.