"Colony of Birchmen" is Mastodon's most popular song and biggest hit single, charting at #33 on the Billboard Mainstream Rock Chart. The track features backing vocals from Josh Homme, lead singer for desert rock band Queens of the Stone Age. The title is an allusion to the song "Colony of Slipperman" by the progressive rock band Genesis.
This forest is growing faster than I can tell
Cell structure eats away at a massive swell
Seems however I'm a victim of circumstance
Hunt for ogres and dwarves