Flycatcher chicks (IMAGE) University of Turku Caption Two days old flycatcher chicks being handled to be individually marked through nail clipping, weighed and blood sampled. Credit Antoine Stier Usage Restrictions Please attribute the photo to Antoine Stier. 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.