
13-lined Groundsquirrel burrow |

Mammal burrow digging ~5 X 8" diameter |
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Animal digging evidence |
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Animal digging evidence |

Animal digging evidence |
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Animal digging evidence |

Borer beetle tunnels |
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Borer beetle tunnels |
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Borwer beetle tunnels |
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Borer beetle tunnels |

Borer beetle tunnels |

Chipmunk hole ~2" diameter |
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Crayfish burrow Wet areas, ~1" diameter |
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Crayfish burrow Wet areas, ~1" diameter |

Crayfish burrow Typical soil piling |
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Crayfish burrow Wet areas, ~1" diameter |

Crayfish hole Wet areas, ~1" diameter |
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Dug up ground nest |
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Dug up ground wasp nest |

Dug up ground wasp nest |

Ground wasp nest Underground Paper Wasp |

Insect emergence holes |

Mouse burrow in snow |

Periodic Cicada emergence holes |

Rabbit trail in grass |
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Rodent burrow 1 1/2 - 2" diameter |

Rodent burrow |
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Rodent burrow |

Rodent burrow |
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Sapsucker holes These produce sap flows |

Sapsucker holes These produce sap flows |

Skunk digging evidence |

Skunk digging evidence |

Squirrel chewing on birdhouse |
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Squirrel digging evidence |

Squirrel digging evidence |
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Wood boring beetle larvae trails |
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Woodpecker feeding holes |
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Woodpecker hole |
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Old woodpecker nest holes |
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Woodpecker feeding hole |

Woodpecker feeding hole |

Woodpecker feeding holes |

Woodpecker nest hole |