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Why are my female budgies pecking and breaking their eggs in the nest?

Updated On September 23rd, 2025

My female budgies are pecking holes in each other's eggs (or they are pecking holes in their own eggs). One of my budgies had been sitting on her eggs for about a week and a half and I think the latest female that I bought removed her eggs and took over the box, the eggs are broken and we only see orange yolk in them. The breeding boxes are all screwed into the aviary at the same height, there's enough for every female too. I can't see why they would do this to their/each other's eggs.

1 Answer

Most Helpful Answer

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Answered By Jessica Desrosiers

Veterinary Technician

Published on October 2nd, 2018

If the aviary is too small to handle multiple breeding pairs it may be that they are competing for nesting space, even if there are multiple nests. One nest may be seen as "ideal" and thus everyone is fighting over it. Usually, birds are separated into individual breeding groups per cage to avoid competition and ruining of eggs, as well as reduce overall stress for the breeding pair.

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