Do cardinals ever move their nests? I had one with an egg
and baby outside my window and it has disappeared over night. There are
no signs of it below---cat attack or anything. However, I do have 4 cats
that I hope didn't get it. Thanks
No, birds can't move their nests - it is a bit unusual for you to find no
sign of the nest when a predator has raided it, it almost sounds like a
human. However if you look around a bit you might still find some remains.
Cats are always suspect in bird nest raids, they are among the biggest
threats to many birds.
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Update: June 2012