Bird Sudoku Level 127 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 127 Strategy
Hard Level 127 uses a 9x9 board with 29 perch cells, 7 blockers, and 9 habitats. Use the row and column counts first, then test each open diagonal flight line.
Bird Sudoku Level 127 Solution
Bird positions in the solution: R2C2, R2C5, R2C9, R3C7, R4C1, R5C1, R5C4, R6C8, R7C1, R8C9, R9C7.