Great tits are common and widespread songbirds that reside in woodlands throughout Europe, Asia and even in parts of North Africa. Although they are often seen at bird feeders, these small, personable birds consume vast numbers of winter moth larvae, or caterpillars, in springtime, which they feed to their rapidly growing chicks to help them grow to independence. The winter moth, Operophtera brumata, is both abundant and resistant to freezing temperatures, and is one of the few moth species that