This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Animal echolocation german.svg en depiction of bat its ultrasound call and echo from an object Animal echolocation svg Animal echolocation svg Petteri Aimonen derivative work Martinrnr Diagrams RetouchedPicture Captions translated into german some minor improvements Animal echolocation svg own Petteri Aimonen Cate Uploaded with