 
 <prompt> Which one no dey provide heat for incubation: the sun, volcanic sources, or megapodes? Given di last question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: ```Incubation wey dey optimize temperature for chick development, usually dey start afta di last egg don dey laid. For monogamous species, dem dey share incubation duties, but for polygamous species, one parent dey fully responsible for incubation. Warmth from parents dey pass go di eggs through brood patches, wey be areas of bare skin for di abdomen or breast of di birds wey dey incubate. Incubation fit dey very demanding energetically; for example, adult albatrosses fit lose as much as 83 grams (2.9 oz) of body weight per day of incubation. Di warmth wey dey needed for di incubation of di eggs of megapodes dey come from di sun, decaying vegetation or volcanic sources. Incubation periods fit range from 10 days (for woodpeckers, cuckoos and passerine birds) reach over 80 days (for albatrosses and kiwis).``` 