Here are the most dangerous animals in NH, ME and MA. If you've ever traveled on a highway in New Hampshire, you have probably seen the signs to "BEWARE OF MOOSE - PEOPLE HAVE DIED!" The Moose is the Most Dangerous Animal in New Hampshire and MaineIt may not come as a surprise that the most dangerous animal in New Hampshire and Maine is a Moose, according to worldpopulationreview.com. I've always been truly concerned about hitting a moose while I'm in the car, on the highway, driving at highway speeds, but apparently, moose can also attack you. RELATED: Common, Dangerous and Deadly New Hampshire WildlifeIf you are completely freaked out over hitting a Moose or running into a bear, just think about New York's most dangerous animal, a mosquito!