AbstractCleaning passerine nestboxes after birds have fledged is widely thought to remove parasites such as fleas. Experiments are now described that examine the value of cleaning such nests after use.Keywordscleanliness of nestboxesparasitesfledgling successGet full access to this articleView all access options for this article.Get accessReferences1. du Feu C.R. (1992) How tits avoid flea infestation at nest sites. Ring. Migrat., 13, 120–121.2. Perrins C.M. (1979) British Tits. New naturalist, Collins, London.
