Ronaldo, a 6-foot Brazilian rainbow boa constrictor kept at a school in England, ... Unlike sexual reproduction, which requires sperm to fertilize an egg, ...

A boa constrictor mother has given "virgin birth" to 22 female offspring, all of which have no father and are half-clones of their mother, ... the egg fuses with a copy of itself, ...

Ronaldo, a 6-foot Brazilian rainbow boa constrictor kept at a school in England, was thought to be male — until the snake gave birth to 14 babies last month.

A Brazilian rainbow boa constrictor named Ronaldo, thought to be male, gave birth to 14 baby snakes last month. ... Unlike sexual reproduction, which requires sperm to fertilize an egg, ...

A Brazilian rainbow boa constrictor kept at a school in England gave birth to 14 babies last month, despite having no contact with another snake for nearly a decade.