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Baby birds falling out of their nests

Posted by debbysunshine (My Page) on
Tue, Apr 21, 09 at 14:26

It's bird and butterfly season here in San Diego. In the movie The Earth the baby birds that were learning to fly fell out of the nests into piles of leaves. Mine splat on the cement and it is very sad and worse for the mom birds. I put a large 16" flower pot filled with bark and newspapers in a main falling area and hopefully they'll use it . Maybe others can watch out for the little guys. Already a nest hanging under my gazebo in a pot of succulants already has been abandoned and two nice eggs untouched have been there well over a week. Mom has made her new place in a higher pot of succulants.


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RE: Baby birds falling out of their nests

The birds in the movie are Wood Ducks: they are *supposed* to jump from their nest holes in the forest and land in the leaves.

The birds you have may be falling out or being *kicked* out for various reasons:

1). A Brown-headed Cowbird may have laid an egg in that nest and the *much* larger baby is booting out the smaller ones which belong to the host species. Brown-headed Cowbirds are 'nest parasites' and never build their own nests, but instead will parasitize the nests of everything from finches to bluebirds.

2). Occasionally, a parent bird's inexperience leads it to build a rather flimsy nest and the babies fall out too soon.

2)b).When it's time for a fledgling to leave the nest, however, it may plop down on the ground and find a low bush in which to hide while its parents teach them the fine arts of foraging and flying, all the while continuing to feed until such time as the baby is flying well.

3). Some predator might be knocking them out of the nest prematurely.

4). Some other *bird* might be knocking the babies out in order to usurp control of the nest. Look for House Sparrows and European Starlings, which seem to be the bigger culprits, but occasionally, Violet-Green Swallows will engage in this behavior as well.

A way to circumvent #'s 3 & 4 is to provide extra nesting boxes spaced far enough apart so as to not encourage encroachment on the others' territories. In the case of the swallows, they are partial colony nesters (Violet-greens), but will also build several 'dummy' nests to ward off competitors (which is also the case with House Wrens).

Trying to stop the nest parasitizm as seen in Brown-headed Cowbirds is detrimental all the way around.

It would be helpful to know which species of birds you are personally dealing with. . .


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