How do I explain the phoenix's "rebirthing" process

Phoenixes are a unique type of wyvern not only due to their colorful feathers (which resemble flames) but also how they reproduce. Phoenixes lay 7 eggs which require a lot of heat to hatch. Unfortunately Phoenixes are not capable of breathing fire in the traditional sense. Instead during pregnancy the mother's body creates sacks of chemicals that fill over time; toward the end of pregnancy the membranes containing these chemicals thin due to hormones, and burst, setting themselves on fire to hatch the eggs. After a day or two the eggs hatch with the young phoenixes consuming the ashes of their mother and beginning the cycle anew.

Now with all that said, how realistic is this, and what other adaptions would they need for this to work?

NOTE: magic does not exist in my story.

posted almost 5 years ago

icewar1908‭

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