Armadillo
Furbearers
A digging problem that never comes indoors. It roots up lawns and beds and leaves the building alone.
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Beaver
Furbearers
North America's largest rodent, built entirely for water. The damage is flooding and felled trees, not the house.
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Bed Bugs
Bed Bugs
Bed bugs feed on blood, hide within a few feet of where you sleep, and fit into a crack no wider than a toothpick. They do not spread disease, and they have nothing to do with how clean your home is.
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Big Brown Bat
Bats
If bats are in your attic in the Northeast or Midwest, this is now the likely species. Older guidance names the wrong one.
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Carpenter Ants
Ants
Large black or red-and-black ants that hollow out damp wood to nest. They do not eat it, so what you find is sawdust rather than missing wood.
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Coachwhip
Snakes - Non-Venomous
One of the fastest snakes in North America, and completely non-venomous. It hunts across open ground in daylight.
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Common Kingsnake
Snakes - Non-Venomous
It eats other snakes, venomous ones included, and there is peer-reviewed evidence its presence changes the neighborhood.
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Common Snapping Turtle
Amphibians/Reptiles
Docile in the water and defensive out of it. Every real problem happens on land, in late spring and early summer, when a female is nesting.
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Copperhead
Snakes - Venomous
The venomous snake homeowners in its range are most likely to actually meet. It damages nothing and bites rarely.
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Corn Snake
Snakes - Non-Venomous
Harmless and killed on sight far too often, because its black-bordered blotches read as copperhead at a glance.
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Coyote
Furbearers
Every state in the lower 48 has them, and the densest populations sit against cities. A daytime sighting is not by itself a warning sign.
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