Yes, although these are generally shy creatures who avoid contact with people, like most animals they will attack if cornered. They have sharp teeth and are incredibly strong for their size so I would not like to be on the receiving end of their bite!
Jaguars often avoid interacting with humans because they are reclusive creatures. They are sometimes hunted by humans for their skins and can attack a human if cornered.
They can attack if they are cornered and feel threatened.
Opossums generally do not attack humans, unless they feel threatened or bothered.
Squirrels' enemies are wild and domestic cats, dogs and foxes, Birds of Prey, martens, snakes, humans, and stoats and weasels.
Normally, they are not aggressive, but if they are frightened, injured, trapped or cornered, they may bite.
It's claws and teeth if cornered, but typically the hide or run.
Tasmanian devils do not attack humans.
Dogs - both domestic and wild - are known to attack kiwi. Cats, stoats, ferrets and wild pigs also attack and kill these small, defenceless, flightless birds.
The alligator will attack humans, but not on a regular basis.
Humans no longer directly kill kakapo, although they were once hunted. Humans are responsible for the critical endangerment of kakapo by introducing predatorial species such as cats, foxes and stoats to New Zealand.
No but you can attack them
If cornered or threatened, they would defend themselves, but normally would flee from human beings.