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"The Indian Koel and its habit of brood-parasitism was well-known to the Vedic seers, and described unambiguously in Sanskrit literature. Interestingly enough, this appears also to be the earliest record of avian brood-parasitism, since it was described many centuries before Aristotle (384-322 B.C.) or his immediate colleagues or predecessors began to write about the European Cuckoo. "