Wood Thrush with Geolocator (IMAGE) York University Caption Thi is a Wood Thrush wearing a geolocator. Only the tip of the light stalk pokes through the feathers once the geolocator has settled on the bird. Credit Kevin Fraser Usage Restrictions None 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.