Bird Sudoku Level 78 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 78 Strategy
Medium Level 78 uses a 7x7 board with 19 perch cells, 5 blockers, and 7 habitats. Use the row and column counts first, then test each open diagonal flight line.
Bird Sudoku Level 78 Solution
Bird positions in the solution: R1C2, R1C3, R1C7, R2C5, R4C3, R5C6, R6C3, R6C4.