| 21. | The dead trees in wooded suburbs present a major fire hazard.
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| 22. | Wasps can be observed running around quickly on dead tree trunks.
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| 23. | The species builds a kind of nest under the bark of dead trees.
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| 24. | It nests in an unlined hole high in a dead tree.
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| 25. | Then there are all those dead trees, many as high as 60 feet.
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| 26. | He plays with a ball and flies to the dead tree.
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| 27. | Fires weaken the roots of dead trees, and they can topple on pickers.
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| 28. | They looked like dead tree trunks, except they were bleeding sap.
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| 29. | The flycatchers continued to try to nest in the dead trees.
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| 30. | Last February, a National Guard unit cut down the dead trees.
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