Please help id
Posted 16 June 2012 - 08:27 PM
Northern_Rough-winged_Swallow_1807n by Grandpa577, on Flickr
Posted 16 June 2012 - 08:56 PM
Don't some birds carry the waste of the babies out of the nest? Could it be that?
Posted 18 June 2012 - 03:01 AM
Posted 18 June 2012 - 04:07 AM
I went back today and confirmed that food in the form of insects was being taken into the cavity. So this makes sense. Thanks, all.
It's a fecal sac. Just keeping the nest as clean as possible. It will likely be dropped at a spot far from they nest to discourage both predators and flies.
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