The Australian Brush-turkey does not incubate its eggs using the conventional method of sitting on them. Instead, Brush-turkeys cover their eggs with a large mound of rotting vegetation in which the heat generated by the composting action encourages their eggs to hatch. Using their huge feet, they to rake the leaf litter together into a pile, and scrape it on and off to regulate the temperature within — too cool and the eggs won’t hatch, too hot and they would cook!
Birdlife AustraliaWikipedia
