Wood Thrush Wearing Geolocator (VIDEO) National Geographic Society This video is under embargo. Please login to access this video. Caption A wood thrush feeds its young while sporting a miniaturized geolocator device on its back. A team led by Bridget Stutchbury of York University in Toronto overcame technical challenges to mount the devices on wood thrushes and purple martins for their migration between North and South America. Credit (c) National Geographic Society Usage Restrictions FOR USE ONLY IN CONNECTION WITH FEBRUARY 12, 2009 ANNOUNCEMENT. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.