"They can be real assholes," she says. "Like some humans and sometimes justifiably. Humans need to respect the warning signs. They're usually protecting their nest. They're territorial."
It's not just geese, according to Caitlin Stewart, founder of Rancho Relaxo in New Jersey. She says a lot of big birds are out of their minds.
"Ducks, geese, chickens and turkeys are over the top," she tells The Dodo.
But as it turns out, it's actually for a very sweet reason. "The moms protect their eggs and young. The dads protect their families - their flock," she says.
Rancho Relaxo's most famous crank is Sherman the turkey, seen here standing guard over his ducks in the pouring rain.