Why aren’t birds nests big enough for the parents

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There is a swallow’s nest outside right now with like 6 babies in it that barely fit and no room in sight for the parents. Do the parents sleep there too somehow or somewhere else?

A few years ago I saw the same with a robin’s nest and in that case, when the babies got bigger but before they could fully fly, they all moved into a nearby shrub but could only glide and hop.

Was that unusual or common to have a nest too small to hold the whole breed and parents?

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9 Answers

Anonymous 0 Comments

> A few years ago I saw the same with a robin’s nest and in that case, when the babies got bigger but before they could fully fly, they all moved into a nearby shrub but could only glide and hop.

Most birds go through a “fledgling” stage in which they start to move around by themselves but haven’t developed their full flight capabilities. Many species completely abandon the nest at this point as it no longer serves any purpose and it would be difficult for the fledglings to fly back into it anyway, since generally nests are well hidden and fledglings aren’t good at flying.

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