From the description of their actions, it sounds like these fellows with the window-mounted scope might have simply been out birding and enjoying the geese, albeit in a different mode than bicycle birding. Camouflage might be a good accessory for getting closer views of birds -- or it might just be a "fashion choice" (like people who wear camo shorts despite that this makes absolutely no sense in terms of hiding from anything). Good birding, Joel -- Joel Geier Camp Adair area north of Corvallis