It depends on which type of bird the egg belongs to and whether or not the mother is present to care for the egg.
albatross
Albatross
Most bird eggs only take 28 days to hatch. Give or take a day or two. Not all the eggs will hatch on the same day with most birds.
Chicken eggs take almost exactly 21 days to hatch. It varies with different species of birds.
19 to 20 days
18-21 days:)
it takes about 18-22 days to hatch
it takes about 18-22 days to hatch
It take about 55 days.
I believe it take 21 days for a egg to hatch It depends entirely upon the species. Insect eggs may take a matter of days to hatch. Birds' eggs may take around three weeks. The kiwi's egg has an incubation period of 70-80 days.
it take my bird 12 to 20 days to hatch the egg
A duck egg can take from 26 to 35 days to hatch. Mallards take 26.5 days to hatch on average.
The incubation time varies among different bird species. There is no typical incubation period - small birds may take 12 days, some birds can take 6 weeks.
they take ABOUT 75 days.