Last winter, two female Komodo dragons at separate zoos in England gave their keepers big surprises. With no contact from any male, each of the giant lizards laid a clutch of viable eggs, some of which hatched healthy young (SN: 12/23/06, p. 403). The events made the news because they were the first known examples of the species reproducing by the asexual process of parthenogenesis, or virgin birth.
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