Facts about the Bumblebee Bat – The Smallest Bat in the World

The Bumblebee Bat can be found in the Kanchanaburi Province of western Thailand, specifically in Sai Yok National Park.

The Bumblebee Bat, also known as Kitti’s Hog-Nosed Bat, is not only the smallest bat in the world but also the smallest mammal.

These adorable creatures have a length of only 29-33mm, a wingspan of about 170mm, and a weight of a mere 2 grams!

They are usually reddish/brown or gray on their upper body and pale on their underside. Their wings are dark-colored with long tips that help them hover in the air.

Bumblebee Bats mainly feed on insects, and they have a pig-like nose, small eyes, and large ears on their face. They also have a “uropatagium,” which is a web of skin between their back legs that helps them fly.

They are most active at dusk when they capture insects around teak trees and bamboo clusters. Bumblebee Bats can also be found in Myanmar, and they live in small colonies of around 10-100 individuals in limestone caves near rivers in forested areas.

Little is known about their reproductive habits, but it is believed that they give birth to a single offspring at the end of April each year.

The Bumblebee Bat owes its name to its size, which resembles that of a large bumblebee. They were first discovered by Thai biologist Kitti Thonglongya in 1973.


1. What is a Bumblebee Bat?

A Bumblebee Bat is the world’s smallest bat species and one of the smallest mammals on Earth. It is also known as the Kitti’s Hog-nosed Bat or the Bumblebee Pipistrelle Bat and is native to Thailand and Myanmar.

2. How small is a Bumblebee Bat?

A Bumblebee Bat weighs less than a penny and is only about 1.1 to 1.3 inches in length. Its wingspan is about 6 inches, and it can fit on a human thumb. It is so small that it can fly through the eye of a needle.

3. What is the diet of a Bumblebee Bat?

Bumblebee Bats feed on insects such as mosquitoes, flies, and beetles. They use echolocation to locate their prey and catch them in mid-air.

4. Where do Bumblebee Bats live?

Bumblebee Bats are found in limestone caves in Thailand and Myanmar. They prefer to roost in large colonies and are known to share their roosts with other bat species.

5. Are Bumblebee Bats endangered?

Yes, Bumblebee Bats are considered critically endangered due to habitat loss and destruction. Their habitat is being destroyed by mining, limestone quarrying, and agriculture. Additionally, they are hunted and captured for the illegal pet trade.

6. How do Bumblebee Bats communicate with each other?

Bumblebee Bats use a combination of echolocation and social calls to communicate with each other. They emit high-pitched sounds that are beyond the range of human hearing to locate their prey and navigate their surroundings.

7. How do Bumblebee Bats reproduce?

Bumblebee Bats have a gestation period of about 120 days and typically give birth to a single offspring. The young bat weighs about 33% of its mother’s weight at birth and is weaned after about 6 weeks.

8. What is the lifespan of a Bumblebee Bat?

The lifespan of a Bumblebee Bat is not well known, but it is estimated to be around 5 to 6 years in the wild.

9. Are Bumblebee Bats beneficial to the environment?

Yes, Bumblebee Bats play an important role in controlling insect populations. They help to reduce the spread of diseases carried by insects such as mosquitoes and are an essential part of the ecosystem.

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