A guinea Fowl egg will hatch in about 26 to 28 days, depending on temperature and humidity.
Guinea Fowl live for about 10 to 22 years of age.
Common cuckoos do not build their own nests or incubate their eggs. Instead, they lay their eggs in the nests of other bird species and rely on the host bird to incubate the eggs and raise the cuckoo chick.
The eggs take 45 to 75 days to hatch.
You didn't give a specific type of heron in your question, but Great Blue Herons usually incubate their eggs for 26-29 days.
Appx 30 days
for dragonvale its 4 hours
It is usually between four and ten days but it can be for as long as 6 months
The amount of time that beetle eggs incubate varies depending on how warm the overall temperatures are and the type of beetle that laid the eggs. Typically most beetle eggs will hatch in about 5 to 14 days.
A mother hummingbird incubates her eggs for about two weeks. She might incubate her eggs longer in colder climates. This is relatively long for bird incubation.
I'm assuming that you're asking how long parakeet eggs incubate for. Answer: about 18 days.
Perico is the Spanish word for Parakeet. Parakeet eggs start to hatch about 18 days after the female begins to incubate them.
Guinea and chicken eggs can not be refrigerated and stay fertile.