Bird Sudoku Level 116 Hint
Pick a row, column, or habitat with a low remaining count, then check which of its perch cells are blocked by open diagonal flight lines.
Bird Sudoku Level 116 Strategy
Hard Level 116 uses a 9x9 board with 27 perch cells, 8 blockers, and 6 habitats. Use the row and column counts first, then test each open diagonal flight line.
Bird Sudoku Level 116 Solution
Bird positions in the solution: R1C1, R1C8, R3C8, R5C7, R5C9, R7C1, R7C6, R8C1, R8C8, R8C9.