Bird Sudoku Level 48 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 48 Strategy
Medium Level 48 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 48 Solution
Bird positions in the solution: R1C2, R1C8, R2C8, R4C1, R5C1, R5C3, R6C1, R6C5, R7C7.