Not my GSD 's, but my younger golden. He doesn't want anything to do with the garbage truck. I work in the garbage industry and we have met outside, giving him treats and unless the truck is stopped he wants nothing to do with it.
Misty- Samoyed Mix, Tannor- Golden Retriever CGC
Robyn- GSD CGC, TC, Midnite-GSD CGC,TC, Brennan-Golden Retriever CGC, Batman-Husky/Greyhound , Apollo-GSD