Bird Sudoku Level 69 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 69 Strategy
Medium Level 69 uses a 8x8 board with 19 perch cells, 5 blockers, and 9 habitats. Use the row and column counts first, then test each open diagonal flight line.
Bird Sudoku Level 69 Solution
Bird positions in the solution: R1C2, R1C5, R2C8, R3C2, R4C4, R5C2, R7C1, R8C1.