Puzzle 2

Puzzle 2 is one of the mysteries in Islands of Insight.
==Hints==
*Skydrops manifest randomly across the mainland, precluding a solution there.
*The solution may have been encountered inadvertently during regular gameplay.
*Each area is associated with particular fauna. Identify the area housing birds.
==Solution==
Navigate through The Empyrean Journey Enclave as usual. Following passage past four pillars, find oneself bathed in sunlight upon a lone Logic Grid. Resolve it, considering area numbers as viewpoints and prohibiting the formation of 2x1 dark cells.