Unlike other pests, there are species of bats that are protected under the Endangered Species Act.

Call a pest expert immediately if you suspect bats are in your home.

Theyll be able to eradicate the issue quickly and correctly according to your state and federal laws.

A group of bats hanging from the rafters inside a home.

imageBROKER/Dieter Mahlke/ Getty Images

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You might also notice staining on the siding.

Bat droppings are small black pellets or cylinders that are about the size of a grain of rice.

They can look slightly sparkly and leave a dust-like texture when crumbled.

Unlike mouse droppings, bat droppings dont have any moisture and crumble easily.

Squeaking and Scratching Noises

Eason says strange noises are a strong indicator bats are in your home.

Bats communicate with one another by making high-pitched squeaking sounds.

Ammonia Smell

A strong ammonia smell is another tell-tale sign of bats in your home.

Guano produces a strong, unpleasant odor that’s similar to ammonia.

Instead, call your local pest control company right away.

A pro will remove the bat from your home and release it back into the wild.

What to Do to Keep Bats Away

Bats are repelled by most foreign smells.

The most effective scents to keep bats away are peppermint, eucalyptus, and citrus.

They may offer minimal deterrence and should not be relied upon as a long-term solution, he says.

Summary of the Endangered Species Act.

United States Environmental Protection Agency.

ESA Section 7 Consultation.

Fish and Wildlife Service

Human Rabies Prevention Program.