Bird Sudoku Level 67 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 67 Strategy
Medium Level 67 uses a 7x7 board with 16 perch cells, 7 blockers, and 5 habitats. Use the row and column counts first, then test each open diagonal flight line.
Bird Sudoku Level 67 Solution
Bird positions in the solution: R1C1, R2C7, R3C2, R3C3, R4C6, R5C3, R7C6.