From the Cornell Lab of Ornithology in the USA:
Third and Final Barred Owl Egg Hatches! – Apr. 10, 2017
Egg #3 has hatched! All three downy owlets were visible when the female made a quick trip out of the nest box this morning. For the next 4–5 weeks, the adults sole focus will be on brooding and feeding these young owlets until they grow large enough to explore life beyond the nest box.
Watch live here.