Any indigestible remains are regurgitated as pellets. Likens vomited as a result, and was later forced to consume what she had regurgitated. Some battlefields may be regurgitated indigestible matter from a predator. Food that cannot be digested is regurgitated as pellets in diameter and in length. Young ants are rarely fed food regurgitated by adults. Non-digestible insect parts are regurgitated as pellets. However, he is quickly swallowed whole, only to be regurgitated moments later. Chicks are fed regurgitated food by both parents and fledge after about 16 days. Fish bones and the hard exoskeletons of crustaceans or insects are regurgitated as pellets. The mother bird feeds her young regurgitated seeds and insects as they grow. She was suspected of swallowing cheesecloth which was then regurgitated as "ectoplasm". At seven weeks, the young are weaned and given regurgitated food. Honey is concentrated nectar and honeydew which has been regurgitated by bees. As a result of these experiments, the doctor eventually regurgitated his meals habitually by reflex. The nymphs feed on food regurgitated by the mother, and on their own molts.