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SESK: Stuff Everyone Should Know · sesk.info/bird-bar-spacing-small

What bar spacing does Merck recommend for a budgie or cockatiel cage?

Half an inch (0.5 inch).

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  1. 0.5 inch ✔
  2. 1.5 inches
  3. 3 inches

Why: Merck's table gives 0.5 inch bar spacing for budgies, cockatiels, lovebirds and parrotlets. Bigger birds get wider spacing.

Huh, didn't know that: Merck's minimum cage size for these small birds is 20 by 20 by 30 inches.

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What did the budgie say about its new cage? This place is bar none!
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References

Answer: 0.5 inch. Merck's table gives 0.5 inch bar spacing for budgies, cockatiels, lovebirds and parrotlets. Bigger birds get wider spacing.

  1. Merck Vet Manual: Minimum and Bar Spacing Recommendations www.merckvetmanual.com/multimedia/table/minimum-and-bar-spacing-recommendations
    Budgerigar, cockatiel, lovebird, parrotlet 20 x 20 x 30 0.5
    Checked 2026-10-11.

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