Bird Sudoku Level 105 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 105 Strategy
Hard Level 105 uses a 9x9 board with 27 perch cells, 8 blockers, and 7 habitats. Use the row and column counts first, then test each open diagonal flight line.
Bird Sudoku Level 105 Solution
Bird positions in the solution: R1C3, R1C7, R2C1, R3C7, R4C9, R5C4, R7C5, R8C8, R9C4, R9C6.