That tune coming from an old mine in B. C.? It's probably a bat, singing a love song

Bats typically produce pulses of sound and listen to the echoes to find food

Related Keywords

Brazil ,United Kingdom ,Kaslo ,Yukon ,Canada ,United States ,America ,British ,Brazilian ,Cori Lausen ,Wildlife Conservation Society ,Wildlife Society Bulletin ,British Columbia ,North America ,Wildlife Society ,West Kootenays ,