The owl magic tree with owls

little story:
Ones a year the biggest tree from a forest grows its roots to get feet and climbs the highest hill. Owls from surroundings feel this magic and gather to a wise stray on the attract tree to turn it to the GREATEST OWL. It will get the Moon, come back and spread its wings to dust the whole forest by the magic shine.

How many birds can you see at the illustration?