Kleptoparasitism (food theft) is a tactic used opportunistically by many foraging birds, but little is known about its … fitness benefits. Here we show that habitual kleptoparasitism by individual parent roseate terns (Sterna dougallii) is … shortage. Our study indicates that kleptoparasitism in roseate terns is an important component of parental quality and provides …

. However, this gardening tactic may be vulnerable to kleptoparasitism unless gardeners can exclude others from the patch. We …