A forest in South Carolina has been peppered with fluorescent bird droppings, all in the name of conservation. The unusual technique was used to track the movement of birds between patches of their preferred habitat after it has been broken up, in this case by stretches of pine trees. The scientists sprayed wax myrtle seeds, a favourite food of eastern bluebirds (Sialia sialis), with fluorescent powder and then tracked the brightly coloured results.
Link: Full Article
Link: All about the Eastern Bluebird from Cornell Labs
Eastern Bluebird image © 2005 Michael Allen McDowell