Baby Birds What is the white stuff that baby birds give to their mothers?

Question by : What is the white stuff that baby birds give to their mothers?
We have a little nesting house hanging outside our window, and we notice that the baby birds inside periodically give the mother bird something after she gives them a worm, or other animal. It’s white, looks a bit like a small egg, and is oval-shaped. Does anyone know what this is?

The species of birds are wrens of some kind, if that is necessary.

Best answer:

Answer by Grandmabird
The parent will remove the poop of the baby birds and sometimes it looks like a ball or egg shape. Keeps the nest cleaner.

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Tags:Baby, Birds, give, Mothers, stuff, their, white