Tweet Take 5 : Egrets

Seemingly all too often we hear of bird species declining in Britain. However three members of the heron family have expanded their range in recent decades and are now known to breed here. As we will hear in this extended version of Tweet of the day on the little egret with Miranda Krestovnikoff, the great white egret with Sir David Attenborough and the cattle egret with wildlife sound recordist Chris Watson.

Producer : Andrew Dawes for BBC Audio in Bristol