The tiny house sparrow that was once a common sight in our cities are now under threat due to urbanisation. March 20 is celebrated globally as World Sparrow Day to make people aware of the importance of the once-invincible birds. With this in mind, the city’s animal and bird lovers are doing their bit to help increase the survival chances of the house sparrows. Do you wish to participate in activities and thus, play a role in saving these humble house sparrows? Here are a few activities that you can sign up for: