See also "Paleontologists Are Trying to Understand Why the Fossil Record Is Mostly Males" from a few days ago. https://news.ycombinator.com/item?id=31036817 ht

See also "Paleontologists Are Trying to Understand Why the Fossil Record Is Mostly Males" from a few days ago. https://news.ycombinator.com/item?id=31036817 https://news.ycombinator.com/item?id=31036817 The lightning strike gender-bias is an example of the same phenomenon from a different species of placental mammals.