DNA research has shown that a stillborn baby crocodile was the product of a virgin birth. The egg, matured in an incubator, was laid by a female crocodile who had been living alone at a Costa Rican zoo for 16 years. Host Marco Werman tells the story of the crocodile virgin birth, and how, according to Warren Booth, Associate Professor of Virginia Tech and lead researcher in a study of the case, it indicates that dinosaurs and pterosaurs may have been capable of this kind of nonsexual reproduction, known as parthenogenesis.
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