Carolina Chickadee Sounds
Introduction to the several large classes of sounds made by chickadees: gargle, fee-be, chick-a-dee, etc.
Wildlife Notebook Series: Chickadees
Alaska Department of Fish and Game article about the small songbirds that are the most widely recognized birds of Alaska forests.
NPR: Chickadee Calls Carry Specifics on Danger
Article and audio files from NPR which discusses how chickadees use their calls to organize defense, mobbing predators to drive them away.
Dan Mennill's Homepage: Black-capped Chickadees
Includes photographs, instructions on how to make a PVC-tube nest box, anf advice for people interested in radiotracking Black-capped Chickadees or other small songbirds.