Bird Sudoku Level 106 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 106 Strategy
Hard Level 106 uses a 9x9 board with 29 perch cells, 10 blockers, and 7 habitats. Use the row and column counts first, then test each open diagonal flight line.
Bird Sudoku Level 106 Solution
Bird positions in the solution: R1C1, R2C3, R3C8, R6C2, R6C8, R7C5, R7C6, R8C2, R9C2, R9C5, R9C6.