Color: Brown or Black
Size: Little brown: 3–4 inches long. 1/16–1/2 ounce. 9" wingspan.
Big brown: 4–5 inches long. 3/8–5/8 ounce. 12" wingspan.
usually roost in caves, in fact they are cave ceiling 'dome roosters' but they will also roost in a variety of other less suitable sites such as hollow trees, old wells, mine shafts, and even abandoned buildings.
Through echolocation, a method using ultrasound and echoes, bats are able to locate prey as well as communicate with other bats. Bats are not blind, but their radar sensing is much more useful and better than their eyesight, especially since they are active at night!
Only the old world bats, such as the very large Flying Foxes, do not use this method of communication and hunting prey. Instead, these bats rely on their eyesight, even though they are colorblind, to find their food which mostly consists of fruits and nectar.
Most bats, including those in North America, eat insects such as mosquitoes, moths, crickets, gnats, roaches, beetles, and ants. Some of these insectivores can consume between 600 to 1000 mosquitoes and insects in a single hour!
Several tropical bats consume nectar from flowers. These bats are helpful in pollinating different types of tropical plants and fruit trees. Finally, there are a few bats that are carnivorous, eating birds, mice, lizards, frogs and fish.
Most bat species generally pose little threat to humans. The greatest legitimate concern regarding human health and bats is their ability to transmit diseases. As mammals, they can transmit diseases such as rabies through their bite. For this reason, handling bats should be avoided or if necessary, done with heavy gloves.
Bats and birds are both vectors for zoonotic pathogens (carriers and spreaders of disease that can be spread to humans)
- Seal all cracks that are larger than 1/4" wide by 1 1/2" long and holes that are larger than 1/2" × 1/2". Bats can't chew through exclusion materials the way rodents do, so you have many choices for materials: Stuff It Copper Netting Roll, Pur Black Gun foam (32 oz).
- Screen vent pipes with 1/4" mesh.
- Install a one-way door to allow any bats that are still inside to leave the building.
- Screen chimney flues and caps with mesh that's 1/2" or smaller. (Remember to check local fire codes for information about covering chimneys.)
- Seal any gaps in the flashing around the chimney, and where the chimney cap meets the chimney.
- If the bats are roosting behind shutters, remove the shutter or space it further away from the wall by installing small blocks between the shutter and wall.
There are two ways to change an attic that may make it less attractive to the bats. (1) Increase the ventilation and decrease the temperature of the roost area, so it's not as attractive an incubator. In attics, install fans, windows, ridge or soffit vents, or insulation in the walls. (2) If you can't seal all of the holes, install a few floodlights or fluorescent bulbs in the roosting area. The lights should be left on all day and all night for several weeks. In later years, turn the lights on during the spring or summer occasionally, to discourage the bats from recolonizing the site. Leaving the lights on for so long could increase the risk of an electrical fire.
Manufacturer Recommended Products And Treatment For Bat Control
Pests need food, water, and shelter. Often the problem may be solved just by removing these key items. Before even thinking about chemical pest control, it is important to be aware of
Conducive Condition | Recommendation | |
1 | Tree branches on house | Keep tree branches away from house to reduce pest access |
2 | Firewood next to foundation | Keep firewood away from house to reduce pest harborage |
3 | Debris on crawlspace/next to foundation | Remove wood debris to reduce termite ha rborage area |
4 | Excessive plant cover, stump, etc. | Providing spacing between plant cover and structure |
5 | Soil above the foundation Ii ne | Keep soil below top of foundation to reduce harbo rage areas |
6 | Wood-to-ground contact | Keep soil from touching wood to eliminate termite access |
7 | Debris on roof/full gutter | Keep gutter & roof free of debris to reduce insect harborage |
8 | Standi ng water near/under structure | Eli minate standing water to reduce pest harbo rage |
9 | Mo isture problem under structure | Increase ventilation to reduce pest harbo rage area |
10 | Openi ngs at plumbi ng & electronics | Seal opening to reduce pest access |
11 | Excessive gaps at windows/doors | Seal gaps to reduce pest access |
12 | Lea ky plumb ing fixtures | Repair to reduce moisture for pests |
13 | Keep garbage cans covered | Covered to reduce attraction of insects of vertebrate pests |
14 | Mo isture damage wood | Repair rotten or damaged wood to reduce insect harborage |
15 | Grocery bags stored improperly | Seal paper sacks in containers to reduce i nsect ha rborage areas |
16 | Pet food unsealed or left out | Keep pet food in sealed containers and unavailable to pests |
17 | Excessive storage conditions | Keep storage areas uncluttered and manageable |
18 | Debris below kick plates | Remove kick plates to reduce rodent harborage |
Product Type
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