Are Bats Blind

David Lawrence
• Friday, 15 October, 2021
• 7 min read

In general, bats seek out a variety of daytime retreats such as caves, rock crevices, old buildings, bridges, mines, and trees. By eating insects, bats save U.S. agriculture billions of dollars per year in pest control.

(Source: mentalitch.com)


Most bats are about the size of a mouse and use their small teeth and weak jaws to grind up insects. A single little brown bat, which has a body no bigger than an adult human’s thumb, can eat 4 to 8 grams (the weight of about a grape or two) of insects each night.

Of the three species of vampire bats in North America, only a single specimen has been recorded for the United States in extreme southwest Texas. It’s estimated that tens to hundreds of thousands die at wind turbines each year in North America alone.

It’s possible that wind turbines interfere with seasonal migration and mating patterns in some species of bats. Pest-control services provided by insect-eating bats in the United States likely save the U.S. agricultural industry at least $3 billion a year, and yet insectivorous bats are among the most overlooked economically important, non-domesticated animals in North America, according to an analysis published in this week’s Science magazine Policy Forum.

Title: Bats in the West: Discoveries, Questions, and Future Research Gabriel A. Reyes, USGS Biologist See how scientists are using a variety of methods including capture, acoustic monitoring, and tracking, to learn more about local bat species.

A bat’s eyes, far from useless, are attuned to low-light conditions to better aid in finding prey and are enhanced by their super hearing power. Bats hunt in the dark using echolocation, meaning they use echoes of self-produced sounds bouncing off objects to help them navigate.

blind bats true thought things aren were istockphoto
(Source: www.lifedeathprizes.com)

In fact, research shows that depending on the circumstances, bats sometimes prefer using eyesight to sound when hunting. In fact, some receptors may enable these bat species to see ultraviolet light, wavelengths of color that are outside the human visual spectrum.

This ability may be useful because many flowers reflect UV light, and both bats rely on plants for food. Rosettes Egyptians, the Egyptian fruit bat, has sharp vision and echolocation abilities.

In a 2015 study published in the journal Current Biology, researchers found that bats echo locate more the darker it is, but keep making their clicking sounds even in bright light. They especially sped up echolocation as they landed after flight, suggesting they combine information from sight and sound to gauge distances accurately, the researchers wrote.

High-pitched sounds that humans can hear are squeaks of a mouse or from a rusty gate. The sounds then move through the air and some bounce off trees, insects, walls or whatever is around the bat.

Most bats have super hearing which is made even better by the shape and size of their ears. Some bats have special, very odd-shaped noses that they used to focus their squeaks to make their echolocation even better.

bat vampire bats animals blind female blood nationalgeographic desktop myths science need vampirebat via food dam social
(Source: www.thecoolist.com)

Image by Hans Schneider reproduced under GNU free documentation license. A bat’s echolocation works so well that it can fly in the dark knowing where everything is, and it can also tell the size and shape of objects around it. Bats using echolocation can also hear where something as small as an insect is, what direction it’s moving in and whether it is beating its wings.

Instead, the genetic mutations that evolved the powers of echolocation in bats likely surfaced as they aided the animals in the darkness. A bat’s eyes, far from useless, are attuned to low-light conditions to better aid in finding prey and are enhanced by their super hearing power.

There is a popular belief that bats are blind, due to their enviable ability to move, through echolocation, which allows them to have perfect orientation even at night. However, these species share certain attributes, such as their size, which can vary between 30 and 35 centimeters in length, and their weight, which in general does not exceed 100 grams.

The bats bodies are covered with a short coat that helps them withstand low temperatures. In addition, the front fingers of these animals are attached to a very thin membrane that allows them to fly easily.

Some types of bats eat only fruit, while others prefer insects, small amphibians, mammals, birds, and, some, feed on blood. The most common is to find them in tropical and temperate environments, where they settle in trees and caves, although they also take refuge in the cracks in the walls and in hollow trunks.

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(Source: www.bloglovin.com)

As a result, they send and receive information simultaneously, as when a person hears his own voice through an echo. To a large extent, through this echolocation system, which is only possible thanks to several anatomical adaptations located in the ears and larynx, in addition to the extraordinary spatial orientation they have.

The ears then capture the sound waves that bounce on the surrounding objects and, thus, the bat orientates itself. Despite this great ability, there are insects that have developed adaptations that make it difficult for predators to locate them since they are even able to cancel ultrasound and not produce echoes.

In the past, it was believed that bats eyes only have rods, which are photoreceptor cells that allow them to see in the dark. Well, now you know that she is wrong because bats are not blind and depend on both their eyes and echolocation to orient themselves and understand what is going on around them.

The man is not considered a natural prey for vampire bats, but attacks are reported mainly in rural areas. Bats also play an important role in maintaining and balancing ecosystems as they mostly feed on fruits and insects.

As many also feed on nectar and pollen, they help pollinate several species of flowers, a function quite similar to that of bees and birds. And from the saliva of these flying mammals, new studies and drugs have emerged as they are rich in anticoagulant substances.

bats facts flying fruit foxes microbats myths megabats eat blossom eating largest which
(Source: cafnec.org.au)

Most bats are nocturnal, meaning that they are active at night and rest during the day. During daylight hours you might find bats in caves, old or unattended buildings, under large structures, and in trees.

Hibernation is a process in which animals spend time in a dormant state to save energy. Hibernation is marked by a reduction in heart, respiratory, and metabolic rate, so that animals can survive months with a limited supply of food.

During hibernation, a bat’s heart rate may fall from 300 beats per minute to 10! But they do use sound waves, echolocation, to navigate the night sky rather than their eyes.

The U.S. Military actually based their first radar navigation systems after studying bat’s echolocation! Like other mammals, bats give birth to their pups and nurse them with milk from their bodies.

There is one species, Demons Rotundas, commonly called the Vampire Bat that does feed solely on blood. However, Vampire Bats do not adapt well to cold conditions, limiting their habitat to South and Central America.

blind bat deviantart
(Source: www.deviantart.com)

Bats are a major pollinator, making it possible for the plants, fruits, and flowers we love to grow. Bats also disperse seeds and naturally reforest and replant our forests.

Bat species that aren’t endangered are still seeing a rapid population decline. This is due to habitat loss and White Nose Syndrome.

White Nose Syndrome is a disease caused by fungi that has killed nearly 5 million bats in North America. In addition, human disturbances such as habitat fragmentation and degradation of roosting and feeding sites have also impacted bats.

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