The eggs will never hatch if they are not sat on (incubated) all the time. Once they cool off, they die. It's nice of you to let them out to get exercise, but that ends the chances for the eggs. Also, give the parents eggfood and calcium along with the rest of their diet so the hen can properly create good eggs and stay healthy. You can make eggfood by hard boiling a chicken egg and mashing up the yolk with some water and crushed eggshell for protein and calcium. Don't bother them when they are on the eggs, and you should end up with chicks eventually.

Hello,

I have three canaries and I love them sooo sooo much. Firstly I bought two canaries Tweety yellow and Mango red. I bought them last summer in July 2013. Mango laid 5 eggs in March and after one month they never hatched so she ate them and I was really upset. And on April the 2nd she laid new 4 eggs and they still never hatched. We were not sure weather Tweety was a girl a boy because she doesn't sing or lay eggs but she is realllly really adorable just like Mango is. So on April the 7nth we bought a new white canary bird and I named it Tango. The petshop said that they were 100% sure that he is a male canary bird but he is only 8 months. It has been long and much more than 3 weeks now and Mango's eggs did not hatch!!!! So now she left her eggs and is not sitting on them or not eating them she is just playing with Tango and Tweety.I am really upset about this because we will not have chicks!!!! I take them out of the cage to fly around the house two times everyday and I always give them fresh water and vegetables fruits and canary seed/food. I even bought them a bath tub and thats were I put the water in they have a bath everyday. I always cuddle them a give them sweet kisses because I love them soooo sooo much Mango and Tweety can come to my finger but Tango cant he is just always running away from me. Please please help me with this situation and give me a long good answer that doesn't include spending money for my birds. Thank you.