The Carolina Wren spends the entire year with us. Unfortunately it is illegal to kill these native birds. They are getting to be a real nuisance in Northeast Tennessee. Then as Spring comes again they will arrive and chase away or kill the Chickadees, Bluebirds, Nuthatches and others. They take off for Florida when it gets cold. Meanwhile the noisy House Wrens are trying to find another place to lay their eggs after being kicked out of 2 boxes already. I have one about 1 foot above my head as I traverse my porch walkway. I'm sure that's the reason the cheery Carolina Wren has been driven to nest so near to humans.
The House Wren is a mean killer that will peck holes in other birds' eggs, build a rough false nest of twigs in vacant birdhouses, and even kill baby birds of other species. While they appear similar to the untrained eye, there is a world of difference between the House Wren and the lovely Carolina Wren. Our native sparrows do not cause any problems with any of our native species. This is the invasive imported common House Sparrow. Thanks for letting everyone know that this is normal behavior for a sparrow. We had NO idea that sparrows would do this! I ran outside and brought the finch inside the house. It didn't take long to realize that the nasty little sparrow was KILLING the female finch! We were just looking out the window and I said to my husband, "Look at the little sparrow trying to mate with the finch!" We have watched over 20 house finch eggs hatch this year. We have numerous species of birds coming to our feeders and nesting places and, as we live out in the peace and quiet in the middle of the country, the birds are accustomed to us being around and aren't afraid of us. My husband and I obtain great bird watching in our yard. I'm sure this is what happened to the little wrens. I do have many around and I have seen them peck holes in my drivit siding. I decided to look up the possible causes of what happened and low and behold I found this site which pins it on the house sparrows. I was so sad and it seemed so quiet without the loud calling of the parent birds. I was just perplexed as it did look like a murder scene with two on the ground and 2 on top of each other in the crotch of the tree. I couldn't imagine them jumping from the house as they seemed to small with eyes still closed to find their way out and with what motivation?
This year one morning I went out to find 4 baby wrens, about 1 week old with pin feathers just starting, dead scattered around under where the house is. Last year the wrens were successful in raising their young. I had a pair of house wrens make a nest in my bird house this year as they did last year.
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