Role of aquaporin water channels in bulk water flow through animal tissues

• Cutaneous water absorption in newts and salamanders
  

• Water transport in freeze-tolerant frogs
  

• Intestinal water absorption in hummingbirds
  

Ecological energetics of wild birds

• Energy storage and the use of torpor by hummingbirds
  

• Importance of arthropod foraging to energy intake in hummingbirds
  

• Ammonotely and nitrogen excretion in hummingbirds
  

• Effect of capture and handling stress on measurement of basal metabolic rate