A Sable Systems FoxBox metabolic monitor that is now 11 years old explores the limits of aerobic endurance in hummingbirds in the field. Shown on PBS by Dr. Chris Witt from University of New Mexico. You can see the full video here: PBS Nature Show – Super Hummingbirds – video expires 11/12/16 so check it out soon.  You can see us at 0:34 and 15:25 to 16:25.