Bird Sudoku Level 136 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 136 Strategy
Hard Level 136 uses a 9x9 board with 29 perch cells, 10 blockers, and 8 habitats. Use the row and column counts first, then test each open diagonal flight line.
Bird Sudoku Level 136 Solution
Bird positions in the solution: R1C2, R1C3, R1C4, R1C7, R2C7, R4C8, R5C1, R6C5, R7C1, R7C3, R9C7.