At the age of 74, most of us are focused on being grandparents rather than new parents. This is not the case for 74-year-old mom Wisdom, the oldest known wild bird in the world to lay an egg.

At the age of 74, most of us are focused on being grandparents rather than new parents. This is not the case for 74-year-old mom Wisdom, the oldest known wild bird in the world to lay an egg. The egg ...