Bird Sudoku Level 176 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 176 Strategy
Hard Level 176 uses a 9x9 board with 29 perch cells, 11 blockers, and 9 habitats. Use the row and column counts first, then test each open diagonal flight line.
Bird Sudoku Level 176 Solution
Bird positions in the solution: R1C9, R3C1, R3C5, R3C8, R4C3, R5C1, R5C9, R6C5, R6C9, R8C1, R9C9.