Evening Bats

Category:

Actual Size: Body length of 1.75–2.6”, with a wingspan of 10–11”

Characteristics: Dark brown to black fur with lighter undersides. Short snout, broad head, and rounded ears. Wings are dark and moderately broad.

Habitat: Commonly found in wooded areas, near water sources, and suburban neighborhoods. Roosts in tree cavities, under bark, and occasionally in buildings.

Habits:

  • Active in the southeastern and midwestern United States, including Florida.
  • Nocturnal insectivore that feeds on beetles, moths, and flying insects.
  • Females form maternity colonies in summer; males tend to roost alone.

When bats enter your attic or around your home, it can be hard to know what kind you’re dealing with or what to do about it. In Florida, the evening bat is one of the most common bat species. While they help control insect populations, they can also become a nuisance if they start roosting indoors. It’s important for you to know how to identify evening bats, where they live, and the risks they bring so you can take the proper steps to protect your home. 

How To Identify Evening Bats 

The evening bat species (Nycticeius humeralis) is a small bat found mainly across the eastern and central United States.  To identify these bats, look out for their short snouts and rounded ears, and their fur is typically dark brown with lighter underbellies. 

Males and females look very similar, making it hard to tell them apart by appearance alone. They are often confused with juvenile big brown bats due to similar characteristics, such as size and color. However, a key identifier is their smaller body and shorter forearm length. Evening bat adults generally measure around 3 to 4 inches long, with wingspans of 10 to 11 inches. They weigh between 6 and 14 grams, making them one of the smaller bat species in Florida. 

Their flight is quick and direct, and they usually emerge shortly after sunset to begin feeding.

Evening bats will find the best roosting and foraging sites; they travel long distances to find them during a period called seasonal migrations – this is why bats may appear for the first time in your home, because to them it’s a newly discovered great roosting spot. 

Lifecycle

Evening bats mate in late summer or early fall. However, fertilization is delayed until spring, allowing pups to be born when conditions are better for survival. Most females give birth to twins, and pups can fly at around three weeks old. The young depend on their mothers for food and warmth in the first few weeks of life. Evening bats typically live for several years in the wild, though life spans can vary depending on environmental conditions and natural threats. These bats take a long time to recover after population losses because they don’t have as many babies as some other bat species. 

Habitat

Evening bat habitats are usually close to nearby water and other insect food sources. Their preferred roosting spots often include forests, parks, and residential areas, especially those with mature trees. They usually roost in tree cavities, under loose bark, or inside hollow trees. During summer, they may also be found in man-made structures like attics or barns. These bats prefer warm, humid climates, commonly in the southeastern U.S. In urban or suburban areas, evening bats can adapt by roosting in buildings or behind shutters and siding.

Evening Bats In America

Evening bats are most commonly found in the southern and eastern parts of the USA. In Florida, they are among the more common bats. Unlike some other bats, they are not known to form large colonies, usually settling in smaller groups. Females sometimes gather in maternity colonies during the breeding season, which may be as many as 100 bats. Males are more solitary. They are most active at dusk and throughout the night, hence the name.

Evening Bats’ Behaviors, Threats, Or Dangers

Evening bats are insectivores (eat mostly insects), that forage for flying insects such as beetles, moths, and mosquitoes. They are beneficial in controlling pest populations, especially in areas with large numbers of critters for them to feast. Bats do not threaten humans directly, but they can carry parasites or droppings that become a nuisance if they nest inside homes. Like most bats, evening bats are legally protected in many states; this is to preserve endangered species. Due to the protected nature of bats, removal needs to be done carefully, and local laws must be followed. So, it’s best to hire professional pest technicians if you have a bat infestation. 

Are Evening Bats Hard To Get Rid Of?

Evening bats can be tough to manage without the right tools or knowledge. DIY exclusion methods may also be illegal in your state because bats are legally protected.  Legal DIY methods may only provide short-term relief and fail to address the whole problem. One of the most important pest control factors is locating and properly sealing all entry points, which can be difficult without professional training. 

To get rid of bats in the long term and to protect your home, it’s important to call in professionals. Our bat control services at Florida Pest Control are designed to help get rid of bats safely and legally, with minimal disruption to your home. We can help identify where bats enter and offer solutions that protect your home while respecting local wildlife laws.

How Many Evening Bats Count As An Infestation?

It only takes a few evening bats roosting indoors to be considered an issue, especially if they return nightly. If you notice signs of bats, such as droppings, stains near entry points, or high-pitched sounds at dusk, there’s probably an infestation issue, and you’ll need to call on professionals for help. The presence of bat guano (feces) can also attract other pests, so it’s best to act fast. Addressing the problem early can help avoid further contamination or damage to your property. For peace of mind, our team can inspect the area and determine the best way to manage the situation. 

 

 

Frequently Asked Questions

 

How Do You Identify An Evening Bat?

Evening bats are small, dark-brown bats with rounded ears and short snouts. They measure 3 to 4 inches long with a 10 to 11-inch wingspan.

Where Do Evening Bats Live?

They live in wooded areas, under loose bark, hollow trees, and sometimes in buildings during warmer months.

How Big Are The Evening Bats In Florida?

They typically range from 3 to 4 inches in body length, with wingspans up to 11 inches. They weigh between 6 and 14 grams, making them one of the smaller bat species in Florida.

What Are The Predators Of The Evening Bat?

Evening bats are hunted by predators like owls, snakes, and raccoons. These animals often target bats while they are resting during the day or when young pups can’t fly yet. 

Are Evening Bats Aggressive?

Evening bats are not aggressive toward people and usually avoid human contact. However, it’s still best to leave them alone, as they can carry diseases and  health risks.