How a Tick Finds its Next Meal (IMAGE) U.S. Geological Survey Caption These larval black-legged ticks are 'questing' -- seeking potential hosts to feed upon, with their front legs outstretched. When a host brushes against the front legs, the tick quickly climbs aboard. Credit Photo: Graham Hickling, University of Tennessee 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.