Context

World Sparrow Day is an annual event that is marked on March 20.

About

• House sparrows belong to a group known as passerines, from the order
• These small, grey-brown birds are sexually dimorphic, meaning that the males and females do not look similar.
• They are highly opportunistic feeders.
• Sparrows are vital for the ecosystem: These little birds support in further developing biodiversity and supporting plant growth in the ecosystem, resulting in healthier and greener environments. Sparrows consume and discharge seeds, helping in better spread of plant seeds, making the climate around us flourish. 
• IUCN Status: Endangered