Performing radio telemetry (IMAGE) American Society of Tropical Medicine & Hygiene Caption Performing radio telemetry to locate tagged birds in nocturnal roosts. Mosquitoes feed on birds in nocturnal roost sites. We characterized roosting habits of common backyard birds to inform our predictions of the impact of bird-delivered ivermectin on West NIle virus transmission. Credit Chilinh Nguyen Usage Restrictions None License Original 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.