From: - Sky & Telescope By :- Camille M. Carlisel Edited by :- Amal Udawatta Constant Contact Use. Please leave this field blank. A male northern cardinal makes its voice heard. Cardinals are one of hundreds of species included in a recent study of light pollution's effects on when diurnal birds begin and end their days. Shiva Shenoy / Wikimedia Commons / CC-BY-2.0 In this roundup of recent news, birds react to light pollution and a respected mirror maker calls it a day. Light Pollution Is for the Birds A study of the songs from hundreds of diurnal bird species indicates that, on average, birds in light-polluted areas wake up earlier and stay up later. Scientists had already documented such activity for specific species , but Brent Pease (Southern Illinois University, Carbondale) and Neil Gilbert (Oklahoma State University) say their study is unique because it combines data across species, spaces, and seasons. The researchers used millions of observa...