Bird Sudoku Level 23 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 23 Strategy
Easy Level 23 uses a 6x6 board with 11 perch cells, 3 blockers, and 6 habitats. Use the row and column counts first, then test each open diagonal flight line.
Bird Sudoku Level 23 Solution
Bird positions in the solution: R2C1, R3C5, R3C6, R4C2, R5C2.