"Humans don't really know what we are doing. Mostly, we are blundering along. A lot of animals that were once looked upon favourably and bred - like the pigeon for sending messages - are now considered as pests. It is really because of human intervention that many of these animals and birds have become abundant"- Deepa Padmanaban, author, Invisible Housemates, talks to Manjula Narayan about familiar creatures found in and around our homes like geckos, rats and ants, stuffing her book with amazing factoids about everything from incest-averseness among cockroaches to how India once exported rhesus macaques for scientific research, and how the elimination of sparrows in China was one of the factors that led to the Great Famine  Learn more about your ad choices. Visit megaphone.fm/adchoices