Big Brown Bat

Urban Outdoors | FIND Iowa
Sep 7, 2024 | 00:15
Question:

What difference do you notice in the sound of the big brown bat compared to the others?

Compare the eastern brown bat's sound to the other bats.

Transcript

Narrator: The sound that bats make is so high pitched that scientists use a program like this to slow down the bat sound so it can be heard.

Description

(At the top of the video is a red frequency line. This line will show the sound a Big Brown Bat makes in the wild.

In the middle of the video is a white line with the words Big Brown Bat written above the white line.

Below the white line is a green frequency line showing the background sounds of the recording.

There is an image of the face of a Big Brown Bat in the bottom right corner of the video. The bat has small ears like a cat’s ears. A black nose in front of a brown mussel. Its fur is a tan color and is made up of what looks like fine, small porcupine needles all standing on end.

When the video starts, we don’t hear anything. The player line goes through 14 frequency bumps. The text on the right of the video screen says “Sound played at normal speed.”)

Narrator: The sound that bats make is so high pitched that scientists use a program like this to slow down the bat sound so it can be heard.

(After the narrator speaks, The text on the right of the video changes to “Sound Played at one-eighth speed”. As the player line moves through 15 frequency bumps on the red line, we hear a chirping sound like the sound new sneakers make on a wooden, waxed basketball court.)