An impossible question to answer. What species? Different species spend from several days to several months as nestlings and feather growth is similarly variable in timing. What is meant by "grow"? Feathers visible in the skin or fully expanded, orthadox, feathers?
how long for my macaw to grow back feathers on his head the mother plucked them in the nest box @2 weeks old?
It typically takes about 5-6 months for a baby penguin to grow into an adult penguin. During this time, the young penguin will molt its downy feathers and develop its adult plumage.
Baby Let Your Hair Grow Long was created in 1998.
Long feathers take up a lot of room, and could not develop in the egg. The baby bird's down is a very efficient insulator, which helps conserve energy that it needs to survive and also for its rapid growth. Once it is of a good size and begins to need the longer feathers, they grow in.
It takes about one to two years for a baby dolphin to grow.
Yes, a rooster's long tail feathers will grow back through a process called molting. Molting is a natural shedding and regrowth cycle that typically occurs once a year. During this time, the rooster's old feathers will fall out and new ones will gradually grow in their place.
30 years
How long it will take a baby to grow out of new-born clothing will depend on the size of the baby at birth and how quickly they grow. Typically it will take a few weeks to a few months.
Baby narwhals are usually six to seven feet.
about 10 yrs
for couple month the fox will be a grow fox not a baby fox.