I have one possible explanation – at least for this pair. Please note that I’m not a goose expert or gooseologist, but I think these are female geese.
Because they’re shopping – maybe looking for the newest spring fashion.
Black and white works for these gals. A classic choice. But I would’ve thought they might step out of their comfort zone with a pop of color, you know, spice it up a bit.
Creatures of habit I guess.