Elk and moose are in the same family, but there's no mistaking one for the other, even at a distance (unless the light is very poor).
Elk are smaller overall in size, though a large bull elk probably is close to the size of a moose cow. But the shapes are easily distinguishable. Elk essentially look like large deer, but broader in the shoulders and with bigger and different-shaped racks. Moose, now...moose look
like they were put together in some grand drunken fantasy.
Their shape is like no other animal's. Their shoulders are
over-wide in proportion to the rest of their bodies, they have a wattle, and their ears are comically large and tend to flap out to the sides. They have huge, spatulate antlers, not slim and pointy like deer and elk (wapiti is the Indian name, but I don't know which tribe). There are some low mountains in Wyoming called the Wapiti Range, at least by the locals.

Speaking of local-speak: could you phoneticize for us the local prounciation of Newfoundland, please? I've heard it as something like Nfnln.