Abstract
Although Clemmys marmorata eats a variety of food and appears to be a dietary generalist, it does not select food items based on general availability. This species is a scavenger and an opportunistic predator with a preference for live prey captured by varied foraging tactics. Diets of males, females, and juveniles differ in prey size and proportions of food items, which may reduce intraspecific competition between the age and sex classes. Partial herbivory occurs in adults, and plants may provide an important source of readily available nutrients and some protein when animal food is unobtainable. Seston and other small animals abound in the filamentous algae eaten by C. marmorata, and may contribute considerable nutrient value to the diet. Freshwater turtles display several patterns and tactics in their feeding habits: differences in diet among sym- patric species (Lagler, 1943; Brecken- ridge, 1944; Berry, 1975; Vogt, 1981), dif- ferent food habits among species with different body sizes or morphological
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