However, the species you observe your driving lamp is certainly a different species and what you hear are probably not echolocation calls but more probably cries social. The social calls in bats are quite complex and widely down in a frequency range audible to the human ear.
Hata hivyo, aina ya kwamba umeona lamppost yako uwindaji shaka ni spishi mbalimbali na nini kusikia ni pengine si ya simu echolocation lakini zaidi ya wito wa jamii . kijamii wito katika popo kabisa tata sana na kwa ujumla atashuka katika mbalimbali frequency ya kusikika kwa sikio binadamu .