A regular BB gun will probably kill a squirrel if the seals are good, ie it is relatively new, and you are shooting .177 caliber BBs, not airsoft pellets. A pellet rifle may shoot around 1000 feet per second, and that definitely has the clout to whack a squirrel. Most BB guns are capable of killing a squirrel.
hibernation
they fly
Yes! But it will suffer. BB's are a poor hunting choice for hunting. Pellet guns and rifles are more humane.
nuts
it has fur
Yes but it is not a humane way to kill the rodent. A pellet gun would be better. BB's don't deform when they impact the rodent, So the squirrel suffers before death. A pellet deforms on impact and will put the squirrel down quickly.
it would not matter the chinchila is a type of squirrel without a bushy tail it would survive
Well, it eats and finds shelter.
Yes, squirrels are capable of running backwards. They have flexible joints that allow them to move in various directions quickly, including backwards. This agility helps them escape predators and navigate their environment effectively.
The Daisy is a low powered BB rifle. It is capable of killing a squirrel but the rodent will suffer before death. It is best to use a pellet rifle not a BB rifle. I also suggest using hollow point pellets for rodent control. Pellet deform when they hit a target and make a clean kill. BB do not deform and are a poor rodent control weapon.
The adaptations that help a gray squirrel survive are its sharp front teeth and strong jaw structure for cracking nuts, and sharp claws for climbing trees. Also, the squirrel can leap from branch to branch, helping it find food and escape predators.