Mystery Cow

There is a mystery cow by my house, and it is driving me crazy. Most nights during the summer I’ve had my window open to enjoy the fresh air. And most mornings- not all, I have heard a cow lowing. I live in a residential area, still in the city. There’s tiny yards but no one even keeps chickens, let alone livestock! I’m like a block away from a car dealer for crying out loud!
It doesn’t happen every morning, but when I hear it, it’s always the exact same- probably not a real cow. But it sounds just like one, and I know. Every night I spend at my parents house or when I house sit for them I have to listen to their cows bawling and bellowing to be fed. This sound is just like that.
I’ve become slightly obsessed. I’ve started to believe there’s a pick up truck with a trained cow in a trailer. On randomized mornings, the truck will drive by our street and cue the cow. The cow will low in the exact same way every time as its been trained and their final goal is to drive me out of my mind. And every morning I wake up just a little less certain about my grip on reality.