Bird Sudoku Level 174 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 174 Strategy
Hard Level 174 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 174 Solution
Bird positions in the solution: R2C7, R3C5, R4C3, R4C8, R5C1, R5C3, R5C8, R7C4, R7C7, R8C2.