I always imagined a marmot would sound something like this. So I was as surprised as you will be to hear one actually vocalizing.
This was recorded on Blackcomb Mountain in British Columbia by the folks at Lone Goat Soap Co. Naturally, YouTubers had to edit this video to “improve” the roar, and to insert the marmot into an opera and a Taylor Swift concert. You can see those at Tastefully Offensive. -via Arbroath