On this day of rodent celebration, it's only fitting that we pour out a couple of mouse pellets for one of our fallen friends; a rodent whose top and bottom incisors stopped growing some time ago. We're talking about Josephoartigasia monesi, the largest rodent to ever walk on terra firma. It's been rough not having you with us these last two to four million years, Joe. You are missed.

scale drawing of the giant rodent