“All the other dogs - being color blind - are confused.”
Is everything in a dog’s world black and white? That idea that dogs can’t see color was widely accepted for decades, but new research and conclusions about canine anatomy and behavior have shown that while dogs can’t see the same colors humans do, dogs can still see some colors.
https://www.akc.org/expert-advice/health/can-dogs-see-color/
She would spot the orange stake marking the blind bird from 50-75 yards and head straight for it. Judges remarked on it more than once.