27 times per second a chickadee in flight flaps its wings
6-8 eggs in a typical chickadee clutch
12 days chickadee eggs are incubated before hatching
21 days in nest before baby birds fledge
20 times more food a chickadee needs in winter than in summer
37 percent is the winter survival rate when chickadees don't have access to birdfeeders (at temps below 10 degrees)
69 percent is the winter survival rate when chickadees do have access to birdfeeders
Derived from material provided by WBU, Inc.