What factor does NOT increase the daily food energy requirement for captive raptors?

The reason a regular feeding schedule does not increase the daily food energy requirement for captive raptors is that it helps maintain a consistent nutritional intake. A regular feeding schedule ensures that the raptor receives the right amount of food at set intervals, which stabilizes its metabolism and energy needs. In contrast, cold weather, the molt, and hard flying are factors that can demand additional energy. Cold weather forces raptors to expend more energy to maintain their body temperature; the molt, which is the process of shedding and regrowing feathers, requires extra nutrients for feather production; and hard flying increases energy expenditure as raptors use more calories during intense physical activity. Each of these factors places additional demands on a raptor's energy use, whereas a stable feeding routine simply provides the necessary nutrients without altering the overall energy requirement.