Every single bird and mammal I can think of, even some reptiles and fish, will exhibit something that ethologists call “threat display” whenever it feels menaced. Dogs and cats, horses and cattle, geese and pigs all engage in what amounts…
Every single bird and mammal I can think of, even some reptiles and fish, will exhibit something that ethologists call “threat display” whenever it feels menaced. Dogs and cats, horses and cattle, geese and pigs all engage in what amounts…