Can you tell the age of a bat by the size of its ears?

While the size of a bat's ears can provide some information about the species and habitat of the bat, it is generally not a reliable indicator of its age. Like other mammals, bats grow throughout their lives, with the size of their ears and other body parts changing as they mature.

Instead of relying on the size of a bat's ears, researchers and biologists typically use other methods to estimate the age of a bat, such as examining its teeth or wings. By looking at the wear and tear on a bat's teeth or the degree of fusion between the bones in its wings, researchers can estimate the age of the bat with a reasonable degree of accuracy.

It is important to note that determining the age of a bat can be challenging and requires a trained eye and specialized knowledge. While the size of a bat's ears may provide some clues about its age, it is not a reliable or accurate method of age determination.