Optimal prey selection

Predicts most profitable prey should never be ignored. Less profitable prey should be ignored depending on search time. Exclusion of less profitable prey should be all-or-nothing. Assumes that prey value is measurable. Handling time is fixed. Handling & searching cannot be done at the same time. Prey are recognized instantaneously. Prey are encountered sequentially & randomly. Energetic costs of handling are the same for different prey. Predators wish to maximize rate of energy.