When you walk into Yuen Po Street Bird Garden in Mong Kok, you are greeted by a symphony of songbirds and traditional Chinese music. Parrots, budgies, finches and cockatoos squawk, whistle and ...

A sparrow’s brown back, black streaks and grey belly may seem ordinary, but these small birds play a crucial role in urban ecology – pollinating flowers and ridding the streets of pests.