Roshnath published his research on nesting ecology of heronry birds in Current Zoology. (direct link here) It is a part of his decade old monitoring of the birds in the Malabar region of Kerala. The study convincingly argue that the avenue plants are not only giving a shade for you but also giving a great strata for the birds that acclimatised to the urban system. So, manage your urban trees well! Do not cut the whole tree for the sake of development, thin the tree by cutting some branches of large trees, so they do not fall on you during torrential rainfall!