The discovery of Denny raises philosophical questions that extend beyond biology and into territory that science alone cannot fully address.

What does it mean for a child to be the product of two “different species”?

The language of species is a human construct — a category that biologists impose on the continuous, messy process of evolution to make sense of the diversity of life.

Denny herself, had she been capable of any kind of self-reflection, would not have understood herself as a hybrid species.

She would have understood herself as whatever she was: a person, a member of a family, a participant in a social world.