It depends on what species of owl. Like Most Barn owls take up to 90 days, but elf owls only take about 60
An owlet.
The name of a baby owl is an owlet.
The tiny owl is called the elf owl at 5.25 inches long. The small owl is called the cactus ferruginous pygmy owl at 6 inches long.
Owlet
you don't get owlet is the diminutive for owl
owlet
owlet
OWLET
An owlet is a young owl, typically referring to a baby owl or a juvenile owl that is not yet fully mature. They are characterized by their fluffy down feathers and often have a distinct appearance from adult owls.
Owlet.
owlet
An owlet