Birds, insects, reptiles, amphibians, many fish.
It gets strong enough of too big and the egg will hatch.
Well you have to be that type of animal in that situation,then fertillise the egg and it will hatch to whatever type of animal.
birds.. snakes and many more.............
the animal inside will not hatch
Most likely not, an egg of any animal has to maintain a certain temperature to hatch. Peacock eggs also have to keep a certain level of humidity to hatch.
Not that i know of, when a animal is in a egg its just feeding and growing or as you can say in 'Stasis".
most animal eggs require an incubator if cared for by humans.
If you can hatch a regular egg in there then you can hatch an ostrich egg.
* Can you make an unfertilized egg hatch? No
A very strange animal like a platypus
An un-fertilized egg will NOT hatch.
usually a bad egg can not hatch, a bad egg is NOT A WIFI EVENT, if bad eggs do hatch the game will either freeze or will hatch into another bad egg other Pokemon eggs at the time of a bad egg may hatch into bad eggs instead of Pokemon.There is no such thing as a bad egg in Pokemon.A bad egg can never hatch from itself it will just stay as a egg