

In the early 20th century, raccoons were poised to become the go-to model for animal experiments. They were some of the most curious and intelligent animals available, scientists believed, so that meant they were an obvious choice for comparative psychology studies. Though raccoons were the subject of several psychology experiments at the turn of the century, they didn't stick around in labs for long. Unlike rats, they were hard to breed and maintain in large numbers. They also had the pesky tendencies to chew through their cages, pickpocket researchers, and hide out in air vents. Despite one researcher's plan to breed a tamer strain of raccoon, the creature's future in the lab never took off.
How aggressive are raccoons? Aggressive raccoons. While a normal raccoon wouldn't attack a person, they will sometimes “bluff” if they feel threatened or cornered. Raccoons may huff, grunt, or “charge” at you, but they're just trying to scare you off so you'll leave them alone.
If you give raccoons a problem, they'll typically figure out how to solve it as long as there's food involved. They have repeatedly demonstrated this in labs in addition to yards and campsites. Early in the 20th century, ethologist H.B. Davis presented 12 raccoons with a set of locks to pick. They had to negotiate hooks, bolts, buttons, latches, and levers to get to the rewards inside the boxes; some of the boxes had multiple locks. The raccoons eventually managed to bypass 11 of the 13 defenses.
Can a raccoon drown a dog in water? Raccoons may look cute, Jagendorf says, but they're quite capable of defending themselves. Even with two dogs against a single raccoon, the tussle was a standoff. "Later an animal control officer told us that a raccoon can drown a dog in two inches [five centimeters] of water just by holding its nose under water."
Can raccoons climb up and down vinyl siding? Raccoons are excellent climbers, so it's fairly difficult to keep them from climbing on the roof. They can ascend the corners of most houses, and easily climb up and down downspouts. Raccoons can tear open eaves, and even shingled roof, so beware of the damage they are capable of.
Is raccoon poop bad for dogs? The raccoon is a primary host for the baylisascaris procyonis parasite though their health is not affected by being a carrier. The danger to dogs is very real, however. ... By ingesting the eggs found in the feces, or eating prey (like rabbits or birds) that have the infection, your dog can contract the raccoon roundworm.
Are the raccoons dangerous? Raccoons can carry several dangerous diseases including rabies. While incidents of rabid raccoons attacking humans are rare, it's not something you want to risk.Raccoons carry two other diseases, roundworm and leptospirosis, that can also be transmitted to humans and pets.