Currently they are only for decoration and will not hatch.
However Mojang have announced they plan to bring more dragons into the game, so you never know, they may be hatchable in the future.
The eggs do not hatch, they are there for no particular purpose but can be collected and brought back to the overworld for use as decoration but will never hatch. To bring it back you need to activate a piston to move it or place a torch under it. It cannot spawn another enderdragon but it can be used as a trophy or decor.
3 stacks
It doesn't hatch, you chuck it on the ground and if luck goes your way, a baby chicken will appear.
Kittens don't grow in minecraft
a few minecraft days
The eggs do not hatch, they are there for no particular purpose but can be collected and brought back to the overworld for use as decoration but will never hatch. To bring it back you need to activate a piston to move it or place a torch under it. It cannot spawn another enderdragon but it can be used as a trophy or decor.
3 stacks
It doesn't hatch, you chuck it on the ground and if luck goes your way, a baby chicken will appear.
It takes 5 hours to hatch.
it will take 999999999999 steps to hatch a egg
Budgie eggs typically take about 18-21 days to hatch.
Robin's eggs typically take about 12-14 days to hatch.
Robin eggs typically take about 12-14 days to hatch.
Robins typically take about 12-14 days to hatch their eggs.
10-12 days to hatch
It takes them 5 to 6 days to hatch!!
Kittens don't grow in minecraft