Bird Find Level 405 Solution [Step By Step]

Bird Find Level 405 Answers & Walkthrough Guide

Bird Find Level 405 answers and solution grid
Bird Find Level 405

Welcome to the Bird Find Level 405 answers page. If you have been stuck at this level wondering whether it takes a bird or an egg, this is the page you want. Bird Find Level 405 is an 8×8 grid with 10 squares filled in from the start, and it needs 4 birds and 4 eggs in every row and every column. There are 5 of the = and × clues across the board, and they carry a lot of the early work.

Press See Solution for the finished grid, or use Step by step to watch all 54 placements appear one at a time. Every move is also written out underneath with the reason it has to go that way, so nothing here needs guessing.

About the game

Bird Find is a quiet binary logic puzzle where every square ends up holding either a bird or an egg, and you work out which by deduction rather than luck. Birds and eggs come out even in each row and column, three of the same kind never sit together in a line, and no two rows or columns end up identical. Squares joined by an = match each other, squares joined by a × are opposites, and there is no timer rushing you through any of it.

Bird Find Level 405 Solution

No trios4 of each per row & column
🐦10/32
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🐦
🐦
🐦
🐦
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🐦
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=
×
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×
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Press See Solution for the finished grid, or Step by step to work through it one move at a time.
Read all 54 steps as text
  1. R7C3 is 🐦 bird. R7C4 holds a bird and the = joins it to R7C3, so that cell matches: another bird.Equals link
  2. R1C4 is 🥚 egg. R1C5 and R1C6 are already two birds in a row. A third bird at R1C4 would make a trio, so it is an egg.No trios
  3. R1C7 is 🥚 egg. R1C5 and R1C6 are already two birds in a row. A third bird at R1C7 would make a trio, so it is an egg.No trios
  4. R7C2 is 🥚 egg. R7C3 and R7C4 are already two birds in a row. A third bird at R7C2 would make a trio, so it is an egg.No trios
  5. R7C5 is 🥚 egg. R7C3 and R7C4 are already two birds in a row. A third bird at R7C5 would make a trio, so it is an egg.No trios
  6. R2C2 is 🥚 egg. R3C2 and R4C2 are already two birds in a row. A third bird at R2C2 would make a trio, so it is an egg.No trios
  7. R5C2 is 🥚 egg. R3C2 and R4C2 are already two birds in a row. A third bird at R5C2 would make a trio, so it is an egg.No trios
  8. R4C7 is 🥚 egg. R4C6 and R4C8 are both birds with one gap between them. Filling R4C7 with a bird would make three in a row, so it is an egg.No trios
  9. R6C2 is 🐦 bird. R5C2 and R7C2 are both eggs with one gap between them. Filling R6C2 with an egg would make three in a row, so it is a bird.No trios
  10. R1C1 is 🥚 egg. Row 1 already has all 4 of its birds, so every remaining cell there is an egg — starting with R1C1.Row & column count
  11. R1C2 is 🥚 egg. Row 1 already has all 4 of its birds, so every remaining cell there is an egg — starting with R1C2.Row & column count
  12. R8C2 is 🐦 bird. Column 2 already has all 4 of its eggs, so every remaining cell there is a bird — starting with R8C2.Row & column count
  13. R4C1 is 🥚 egg. Try a bird at R4C1. Every move that is then forced leads to a dead end — Row 4 ends up with 5 birds, over the limit of 4. So R4C1 has to be an egg.Look ahead
  14. R4C3 is 🥚 egg. Try a bird at R4C3. Every move that is then forced leads to a dead end — Row 4 ends up with 5 birds, over the limit of 4. So R4C3 has to be an egg.Look ahead
  15. R5C3 is 🐦 bird. Try an egg at R5C3. Every move that is then forced leads to a dead end — Row 7 ends up with 5 birds, over the limit of 4. So R5C3 has to be a bird.Look ahead
  16. R6C3 is 🥚 egg. R5C3 and R7C3 are both birds with one gap between them. Filling R6C3 with a bird would make three in a row, so it is an egg.No trios
  17. R5C7 is 🐦 bird. Try an egg at R5C7. Every move that is then forced leads to a dead end — Row 6 ends up with three eggs in a row at R6C3, R6C4, R6C5. So R5C7 has to be a bird.Look ahead
  18. R6C4 is 🥚 egg. Try a bird at R6C4. Every move that is then forced leads to a dead end — Row 7 ends up with 5 birds, over the limit of 4. So R6C4 has to be an egg.Look ahead
  19. R6C5 is 🐦 bird. R6C3 and R6C4 are already two eggs in a row. A third egg at R6C5 would make a trio, so it is a bird.No trios
  20. R6C6 is 🥚 egg. Try a bird at R6C6. Every move that is then forced leads to a dead end — Row 6 ends up with three birds in a row at R6C5, R6C6, R6C7. So R6C6 has to be an egg.Look ahead
  21. R6C7 is 🥚 egg. R6C6 holds an egg and the = joins it to R6C7, so that cell matches: another egg.Equals link
  22. R6C8 is 🐦 bird. R6C6 and R6C7 are already two eggs in a row. A third egg at R6C8 would make a trio, so it is a bird.No trios
  23. R5C8 is 🥚 egg. R6C8 and R7C8 are already two birds in a row. A third bird at R5C8 would make a trio, so it is an egg.No trios
  24. R8C8 is 🥚 egg. R6C8 and R7C8 are already two birds in a row. A third bird at R8C8 would make a trio, so it is an egg.No trios
  25. R6C1 is 🐦 bird. Row 6 already has all 4 of its eggs, so every remaining cell there is a bird — starting with R6C1.Row & column count
  26. R2C8 is 🥚 egg. Column 8 already has all 4 of its birds, so every remaining cell there is an egg — starting with R2C8.Row & column count
  27. R3C8 is 🥚 egg. Column 8 already has all 4 of its birds, so every remaining cell there is an egg — starting with R3C8.Row & column count
  28. R2C1 is 🐦 bird. Try an egg at R2C1. Every move that is then forced leads to a dead end — Row 2 ends up with 5 eggs, over the limit of 4. So R2C1 has to be a bird.Look ahead
  29. R2C7 is 🐦 bird. Try an egg at R2C7. Every move that is then forced leads to a dead end — Column 6 ends up with 5 birds, over the limit of 4. So R2C7 has to be a bird.Look ahead
  30. R3C7 is 🐦 bird. Try an egg at R3C7. Every move that is then forced leads to a dead end — Column 7 ends up with 5 eggs, over the limit of 4. So R3C7 has to be a bird.Look ahead
  31. R7C1 is 🥚 egg. Try a bird at R7C1. Every move that is then forced leads to a dead end — Row 7 ends up with 5 birds, over the limit of 4. So R7C1 has to be an egg.Look ahead
  32. R8C3 is 🥚 egg. Try a bird at R8C3. Every move that is then forced leads to a dead end — Column 3 ends up with 5 birds, over the limit of 4. So R8C3 has to be an egg.Look ahead
  33. R8C4 is 🐦 bird. Try an egg at R8C4. Every move that is then forced leads to a dead end — Row 8 ends up with three eggs in a row at R8C3, R8C4, R8C5. So R8C4 has to be a bird.Look ahead
  34. R8C5 is 🐦 bird. R8C4 holds a bird and the = joins it to R8C5, so that cell matches: another bird.Equals link
  35. R8C6 is 🥚 egg. R8C4 and R8C5 are already two birds in a row. A third bird at R8C6 would make a trio, so it is an egg.No trios
  36. R8C7 is 🐦 bird. R8C6 and R8C8 are both eggs with one gap between them. Filling R8C7 with an egg would make three in a row, so it is a bird.No trios
  37. R7C6 is 🐦 bird. R6C6 and R8C6 are both eggs with one gap between them. Filling R7C6 with an egg would make three in a row, so it is a bird.No trios
  38. R7C7 is 🥚 egg. R7C6 and R7C8 are both birds with one gap between them. Filling R7C7 with a bird would make three in a row, so it is an egg.No trios
  39. R8C1 is 🥚 egg. Row 8 already has all 4 of its birds, so every remaining cell there is an egg — starting with R8C1.Row & column count
  40. R3C1 is 🐦 bird. Column 1 already has all 4 of its eggs, so every remaining cell there is a bird — starting with R3C1.Row & column count
  41. R3C3 is 🥚 egg. R3C1 and R3C2 are already two birds in a row. A third bird at R3C3 would make a trio, so it is an egg.No trios
  42. R2C3 is 🐦 bird. R3C3 and R4C3 are already two eggs in a row. A third egg at R2C3 would make a trio, so it is a bird.No trios
  43. R2C4 is 🥚 egg. R2C3 holds a bird and the × means the two must differ, so R2C4 is an egg.Different link
  44. R3C4 is 🐦 bird. R1C4 and R2C4 are already two eggs in a row. A third egg at R3C4 would make a trio, so it is a bird.No trios
  45. R3C5 is 🥚 egg. Row 3 already has all 4 of its birds, so every remaining cell there is an egg — starting with R3C5.Row & column count
  46. R3C6 is 🥚 egg. Row 3 already has all 4 of its birds, so every remaining cell there is an egg — starting with R3C6.Row & column count
  47. R5C1 is 🐦 bird. Column 1 already has all 4 of its eggs, so every remaining cell there is a bird — starting with R5C1.Row & column count
  48. R2C5 is 🥚 egg. Try a bird at R2C5. Every move that is then forced leads to a dead end — Column 5 ends up with 5 birds, over the limit of 4. So R2C5 has to be an egg.Look ahead
  49. R2C6 is 🐦 bird. R2C4 and R2C5 are already two eggs in a row. A third egg at R2C6 would make a trio, so it is a bird.No trios
  50. R4C5 is 🐦 bird. R2C5 and R3C5 are already two eggs in a row. A third egg at R4C5 would make a trio, so it is a bird.No trios
  51. R4C4 is 🥚 egg. R4C5 holds a bird and the × means the two must differ, so R4C4 is an egg.Different link
  52. R5C4 is 🐦 bird. R4C4 and R6C4 are both eggs with one gap between them. Filling R5C4 with an egg would make three in a row, so it is a bird.No trios
  53. R5C5 is 🥚 egg. R5C3 and R5C4 are already two birds in a row. A third bird at R5C5 would make a trio, so it is an egg.No trios
  54. R5C6 is 🥚 egg. Row 5 already has all 4 of its birds, so every remaining cell there is an egg — starting with R5C6.Row & column count

Tip: most of the progress on this particular grid came down to spotting two of the same kind already side by side, which settles the squares at both ends. That is usually the first thing worth trying when a board stops moving.

Thank you for visiting this page. Bookmark puzzlegamemaster.com for the next level, and if anything here is unclear or your board does not match the solution above, leave a comment and we will try to sort it out for you.

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