Monsoon is here and so are the butterflies. Telling us city-dwellers to ditch our gadgets and get close with nature, city-based curators Conservations and Conversations are organising a Butterfly walk. The three-hour long nature walk at Tholkappia Poonga ecological park will let you learn about various species of butterflies, their behavioural patterns from butterfly enthusiasts. 9 am onwards. Tickets available online. Details: 80723-15106, July 13 | Mandavelipakkam.