Bird Sudoku Level 124 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 124 Strategy
Hard Level 124 uses a 8x8 board with 27 perch cells, 6 blockers, and 7 habitats. Use the row and column counts first, then test each open diagonal flight line.
Bird Sudoku Level 124 Solution
Bird positions in the solution: R1C2, R1C8, R2C2, R2C4, R2C5, R3C7, R3C8, R4C1, R6C2, R8C6.