Bird Sudoku Level 88 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 88 Strategy
Medium Level 88 uses a 8x8 board with 21 perch cells, 8 blockers, and 8 habitats. Use the row and column counts first, then test each open diagonal flight line.
Bird Sudoku Level 88 Solution
Bird positions in the solution: R1C1, R1C4, R2C4, R2C7, R6C1, R6C4, R6C6, R7C8, R8C5.