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Birds— and Territory My dad and I designed a house for a wren family when I was ten years old. It looked like a Conestoga wagon, and had a front entrance about the size of a quarter. This made it a good house for wrens, who are tiny, and not so good for other, larger birds, who couldn’t get in. My elderly neighbour had a birdhouse, too, which we built for her at the same time, from an old rubber boot. It had an opening large enough for a bird the size of a robin. She was looking forward to the day it was occupied. A wren soon discovered our birdhouse, and made himself at home there. We could hear his lengthy, trilling song, repeated over and over, during the early spring. Once he’d built his nest in the covered wagon, however, our new avian tenant started carrying small sticks to our neighbour’s nearby boot. He packed it so full that no other bird, large or small, could possibly get in. Our neighbour was not pleased by this pre- emptive strike, but there was nothing to be done about it. “If we take it down,” said my dad, “clean it up, and put it back in the tree, the wren will just pack it full of sticks again.” Wrens are small, and they’re cute, but they’re merciless. I had broken my leg skiing the previous winter— first time down the hill— and had received some money from a school insurance policy designed to reward unfortunate, clumsy children. I purchased a cassette recorder (a high- tech novelty at the time) with the proceeds. My dad suggested that I sit on the back lawn, record the wren’s song, play it back, and watch what happened. So, I went out into the bright spring sunlight and taped a few minutes of the wren laying furious claim to his territory with song. Then I let him hear his own voice. That little bird, one- third the size of a sparrow, began to dive- bomb me and my cassette recorder, swooping back and forth, inches from the speaker. We saw a lot of that sort of behaviour, even in the absence of the tape recorder. If a larger bird ever dared to sit and rest in any of the trees near our birdhouse there was a good chance he would get knocked off his perch by a kamikaze wren.
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Jordan B. Peterson (12 Rules for Life: An Antidote to Chaos)