Found in parts of the United States and Canada, grizzly bears are large and powerful predators known for their aggression when threatened
Found in the southeastern United States, alligators can be dangerous to humans, especially if provoked or encountered in their natural habitat
Mountain lions inhabit various regions of North America and can be a threat to humans, particularly in areas where their habitats overlap with human populations
Black widow spiders are found throughout North America and possess venom that can be harmful to humans, particularly children and the elderly
Found in certain regions of North America, the brown recluse spider's venom can cause necrotic skin lesions in humans
Copperheads are venomous snakes found in the eastern and central United States, and their bites can cause pain and tissue damage in humans
Found in southern Florida and parts of the Caribbean, American crocodiles can be aggressive toward humans, especially if provoked
Wolverines, found in northern regions of North America, are known for their strength and aggressiveness, particularly when defending their territory or offspring