It can be but unless provoked they will try to stay hidden. Like most feral animals if you annoy one, run with your neck covered and sleep with one eye open. The Chupacabra have now been found to be coyotes or feral dogs with a severe mange. No animal in this condition will be friendly to humans.
Foxes are typically not aggressive towards humans unless they feel threatened or cornered. They are generally shy and will avoid contact with people.
(Previous answer deleted) Chupacabras are only a myth and the chances of them actually existing are extremely low. In fact 300 victims of reported chupacabra attacks were examined by a veterinarian and they weren't bled dry like the chupacabra is apparently reported to do by people who report attacks. Therefore, what does not exist cannot be aggresive so although there is technically no answer for your question the closest thing I can definitively tell you is NO.
Coyotes are typically not aggressive towards humans, but they may become more bold in urban areas where they have become accustomed to human presence. It is important to avoid feeding or approaching coyotes to prevent potential conflicts.
Ebony bugs do not typically bite humans. They are not known to be harmful or aggressive towards people.
Yes, cows can exhibit aggressive behavior towards humans or other animals, especially when they feel threatened or are protecting their young. It is important to approach cows with caution and respect their space to avoid potential aggression.
Leeches are generally aggresive because of their carnivorous behavior.
they are almost impossible to domesticate and are aggressive towards humans
Horses are often aggressive towards dogs and can be aggressive to other livestock. Generally, mares with foals will tend to be more protective and can become aggressive if they feel their foal is in danger.
This... Chupacabra as you call it.... does not have any predator, as it seems. There have been humans that have killed the Chupacabra. But other than that it seems that nothing is a predator to this so called animal.
They can be, but are not normally aggressive towards humans.
There have been rare cases where dolphins have exhibited aggressive sexual behavior towards humans, but it is not common or typical behavior for dolphins.
Lake sturgeons are bottom feeders, and are not aggressive predators, nor aggressive towards humans. Although they can grow to be quite large, be careful swimming in deep water as you can be cut or hit by they're tails.