End of Ages
Little is known for certain concerning the method by which dragons mate. Historical record of dubious reliability, coupled with observations of predatory fish (said to reproduce in a manner similar to that of dragons), informs the notion of dragon reproduction that is generally agreed upon by those learned enough to have studied the subject. Aelus the Wise, in the chapter Dragon and Dragonkin of his tome On the Generation, Purpose, and Corruption of the Natural Animal, writes:
Though the validity of this passage is questioned, it has long defined public perception regarding dragon reproduction. It also describes the reason why killing a female dragon is said to be more significant than killing a male.