I've had several encounters Moose in NW Maine... Ornery things...
Me, my wife, my Brother-in-law and his wife would canoe the lakes and rivers in the area. We would beach the canoes and camp. The upside was that few things in nature are as marvelous as a night in the wilderness. The downside was that if there is water, there will be wildlife. Up there, that wildlife included Black Bear, and of greater concern, Moose. The Moose tend to head to water very early to feed and drink. Early enough that you may wake up to one not very distant. We heard one walk by, before sunrise, not 30 feet from our tent. The rule is: Never startle a Moose if it can be avoided. If the Moose knows you're there, give it a wide birth. If he hasn't got the scent yet, or seen you, be cautious. 1,200 to 1,500 pounds of animal is always dangerous when frightened. Late one morning, we came around a bend to find a bull Moose, knee deep in water not too distant. That is why we hugged the outside of the bend, so as to see them as soon as possible. For the most part, the Moose wasn't interested in moving.. So, we had to wait him out as there wasn't enough width to get past without risk of his getting annoyed. So, we beached the canoes and had an early lunch about 200 yards upstream.
We went on these trips well armed. At least one rifle (usually two), a 12 Ga. shotgun and at least one revolver. My favorite pack rifle was/is a Winchester 1892, chambered in .357 Mag. I load my own ammo then and now, with a 158 grain JHP over 21 grains of Win 296 powder. About 2,000 fpm, Similar knockdown power to a 30-30 soft point round out to about 50 yards. Enough for Black Bear, but not adequate for a 3/4 ton Moose. That's why the 870 was loaded with slugs and my brother-in-law usually brought along his Marlin 444. We never needed to use the firearms, except when Tim put a .444 Marlin round into a tree about 4 feet from a stubbornly curious Black Bear approaching within about 30 yards from where we had selected as our camp site. The sound of the report, and that big round smacking the tree frightened the Bear, and he skedaddled. We elected to go further down stream, on the opposite side, to camp. Thinking that the Bear might return. Tim, matter-of-factly stated that the next round would have been through the Bear's eye. Knowing Tim, I had no doubt that he would have done exactly that. He'd killed several over the years with that Marlin 444. One, wasn't hunting. A male Blackie had wandered into his yard (Tim lives alongside a lake in upper Maine) and was sparring with Tim's Mastiff. It was a big dog, but still half the weight of the Bear. Tim heard the commotion, and after trying to frighten off the Bear, and worried for the Mastiff, which would not back down, he was forced to shoot the Bear. That was almost 30 years ago, and old "Bull" is long dead. But, that dog was not afraid of anything, man nor beast.
Oh, and locals have reported Bigfoot sightings in that area of Maine for two hundred years. Myth or mistaken ID? Probably, but who can know for sure?