Thanks for getting back to me! A few articles I read said it do that at long as it's at 98 degrees. Never done this before and next week I'll do the flashlight thing and see it they're alive. Don't want to put the expense into a incubator if they are not alive.
I live in the dessert and for the past 5 years have had a male and female Mallard duck come in my Koi pond every March and stay for around 4 months. They stay all day and leave at night. They mate here but never any eggs. Every year when they first get here they spend a lot of time looking...