That's explains why some hunting dogs breeds are orange-reddish coloration with mixed with blackish dark patches, splodges and sable back patterns like a camo to camouflage themselves from cervidae's color blind due to unable to see reddish-orange colors but shades of gray, brown and yellowish brown.That's why there's grey, silver, brown and bluish on other hunting dog breeds coloration too.I first learn't about this on Tigers of why tigers are orange colored.- https://nadeerhunter.com/understanding-deer-vision-can-they-see-orange/- https://deerassociation.com/can-deer-see-blaze-orange/- https://wildlifeinformer.com/can-deer-see-orange/- https://all-creatures.org/wildlife/wildlife-tigers-orange-coloring.html
Also why hunting gear is orange, ya dingus
