User blog comment:BonesMcGee/Brainstorm: Potential savings in using the hurry hatch trick/@comment-5432528-20121128020756/@comment-5432528-20121128024947

yes, that is correct. It's a Hatching Dino pop-up window (located on the right of the screen) that pops up when I put the Dino Den building out of the Inventory.